6. To flow or leak out slowly, as through small openings. Ooze definition: When a thick or sticky liquid oozes from something or when something oozes it, the liquid... | Meaning, pronunciation, translations and … 26) _____ A) Radiolarians B) Diatoms C) Oolites D) Foraminiferans E) Coccolithophores. By using our services, you agree to our use of cookies. Ooze is pelagic sediment that consists of at least 30% of microscopic remains of either calcareous or siliceous planktonic debris organisms. Foraminiferan ooze- heterotrophic Cocolith ooze- autotrophic. Define siliceous. Calcareous ooze types. Only a small proportion of calcareous ooze … Radiolarian ooze- heterotrophic 3. Web. 2 and 5).Again, there are two main varieties: radiolarian ooze, composed mainly of radiolarian debris, and diatom ooze, dominated by the siliceous remains of unicellular plants : 10. ooze: Meaning and Definition of. to flow, percolate, or exude slowly, as through holes or small openings. Homeopathy Silicea is said to be useful for individuals who are nervous, irritable or have a sanguine temperament. As a result, the grain size of oozes is often bimodal with a well-defined biogenic silt- to sand-size fraction and siliciclastic clay-size fraction. Siliceous ooze is comprised mostly of plankton with silicon-based skeletons. Siliceous ooze is a type of biogenic pelagic sediment located on the deep ocean floor. Siliceous oozes. Silica (Si) is a bioessential element and is efficiently recycled in the marine environment through the silica cycle. Siliceous definition is - of, relating to, or containing silica or a silicate. Definition: Siliceous ooze is a marine sediment composed of the debris of plankton with silica shells, such as diatoms and radiolaria. Quick Reference. 2 and 5). ooze definition in English dictionary, ooze meaning, synonyms, see also 'ooze leather',globigerina ooze',oozy',ooziness'. In case of marine sediments, ooze does not refer to a sediment's consistency, but to its composition, which directly reflects its origin. This ooze is limited to areas with high biological productivity, such as the polar oceans, and upwelling zones near the equator. The remainder typically consists almost entirely of clay minerals. Again, there are two main varieties: radiolarian ooze, composed mainly of radiolarian debris, and diatom ooze, dominated by the siliceous … STANDS4 LLC, 2020. Ooze is usually a mixture of plankton tests and extremely fine-grained clay minerals. The skeletal material in carbonate oozes is calcium carbonate usually in the form of the mineral calcite but sometimes aragonite. Siliceous oozes are composed of skeletons made from opal silica Si(O2), as opposed to calcareous oozes, which are made from skeletons of calcium carbonate organisms (i.e. The most common contributors to the skeletal debris are such microorganisms as foraminiferans and coccoliths, microscopic carbonate plates that coat certain species of…. Rothwell, in Reference Module in Earth Systems and Environmental Sciences, 2016. The ooze composed of their hard parts accumulates at a rate of about 10mm - 50mm per thousand years, varying from location to location; which doesn't sound like much, but is actually a faster rate than other marine sediments such as siliceous ooze or pelagic clay. See more. 1 synonym for siliceous: silicious. Silica is most commonly found in nature as sand or quartz, as well as in the cell walls of diatoms.Silica is the most abundant mineral in the … ooze that consists of more than 50 percent siliceous skeletal remains; DESCRIPTION. Radiolarian ooze definition is - siliceous mud of the bottom of deep seas composed largely of skeletal remains of radiolarians. siliceous ooze translation in English-French dictionary. Calcareous ooze is a form of calcium carbonate derived from planktonic organisms that accumulates on the sea floor. Translation memories are created by human, but computer aligned, which might cause mistakes. In both cases the silica forming the tests is in the amorphous form known technically as opal. Size. In case of marine sediments, ooze does not refer to a sediment's consistency, but to its composition, which directly reflects its origin. The following article is from The Great Soviet Encyclopedia (1979). Siliceous oozes are largely composed of the opaline silica tests and test fragments of siliceous plankton (Figs. How to use ooze in a sentence. Definitions.net. WikiMatrix. adj. This ooze is limited to areas with high biological productivity, such as the polar oceans, and upwelling zones near the equator. Bedded chert consists of siliceous fossils such as diatoms and radiolaria, which form siliceous oozes on the sea floor. Calcareous ooze is the general term for layers of muddy, calcium carbonate (CaCO 3) bearing soft rock sediment on the seafloor. https://www.definitions.net/definition/siliceous+ooze. Foraminiferan ooze- heterotrophic Cocolith ooze- autotrophic. An ooze composed of siliceous skeletal remains of organisms, such as radiolarians. To emit a … siliceous synonyms, siliceous pronunciation, siliceous translation, English dictionary definition of siliceous. The most common siliceous rock is chert, which is a dense, microcrystalline rock composed of chalcedony and quartz. Geology. See also: Sinter Find definitions for: ooze. Siliceous ooze . Siliceous oozes are largely composed of the silica based skeletons of microscopic marine organisms such as diatoms and radiolarians. Antarctic Circle: ... siliceous deposits beneath cold water made up primarily of the remains of sinlge-celled organisms called diatoms: ... siliceous ooze: Definition. Siliceous ooze types. R.G. siliceously synonyms, siliceously pronunciation, siliceously translation, English dictionary definition of siliceously. Chert is derived from a siliceous ooze. The least common type of sediment, it covers only 15% of the ocean floor. Calcareous soils are relatively alkaline, in other words they have a high pH. siliceous - WordReference English dictionary, questions, discussion and forums. Offering forums, vocabulary trainer and language courses. Found 181 sentences matching phrase "siliceous phase".Found in 8 ms. 26) Examine the five words and/or phrases and determine the relationship among the majority of words/phrases. Siliceous sinter synonyms, Siliceous sinter pronunciation, Siliceous sinter translation, English dictionary definition of Siliceous sinter. Definition of siliceous oozes These are pelagic deposits that contain a large percentage of siliceous skeletal materials produced by planktonic plants and animals. Definition: Oozes that are formed primarily from the silica-based tests, frustules, or shells of diatoms, radiolarians, or other siliceous plankton. 2 and 5).Again, there are two main varieties: radiolarian ooze, composed mainly of radiolarian debris, and diatom ooze, dominated by the siliceous … The rock-forming minerals are opal, chalcedony, and quartz. It might be outdated or ideologically biased. https://www.britannica.com/science/siliceous-ooze. Siliceous oozes are the least common of the deep sea sediments, and make up approximately 15% of the ocean floor. . What are synonyms for siliceous? Want to thank TFD for its existence? The numerical value of siliceous ooze in Chaldean Numerology is: 4, The numerical value of siliceous ooze in Pythagorean Numerology is: 2. Definition: Siliceous ooze is a marine sediment composed of the debris of plankton with silica shells, such as diatoms and radiolaria. Radiolarian ooze- heterotrophic 3. Definition: Siliceous ooze is a marine sediment composed of the debris of plankton with silica shells, such as diatoms and radiolaria. Definition: Siliceous ooze is a marine sediment composed of the debris of plankton with silica shells, such as diatoms and radiolaria. Calcareous ooze is comprised mostly of plankton with calcium carbonate skeletons. Get instant definitions for any word that hits you anywhere on the web! We're doing our best to make sure our content is useful, accurate and safe.If by any chance you spot an inappropriate image within your search results please use this form to let us know, and we'll take care of it shortly. es v.intr. Siliceous oozes are largely composed of the opaline silica tests and test fragments of siliceous plankton (Figs. Distance from land masses, water depth and ocean fertility are all factors that affect the opal silica content in seawater and the presence of siliceous oozes. They come from many sources and are not checked. If you would like to participate, you can choose to edit this article, or visit the project page for more information. Synonym(s): silicious There are no peer-reviewed data supporting … The modern oozes gather in latitudes where high organic productivity of floating planktonic radiolarians and diatoms takes place in the warm surface waters. Examples of how to use “siliceous” in a sentence from the Cambridge Dictionary Labs As individual organisms die, their shells settle slowly to the abyssal…, …made of calcium carbonate) and siliceous oozes (containing skeletons made of silica) and then are divided again according to the predominant skeleton type. We're doing our best to make sure our content is useful, accurate and safe.If by any chance you spot an inappropriate comment while navigating through our website please use this form to let us know, and we'll take care of it shortly. Enrich your vocabulary with the English Definition dictionary Sediments deposited below the carbonate compensation depth are commonly enriched in silica by removal of the carbonate, sometimes to the point of forming siliceous oozes. Fine-grained pelagic deposit of the deep-ocean floor with more than 30% siliceous material of … Siliceous definition, containing, consisting of, or resembling silica. Oozes are defined as sediments which contain at least 30% skeletal remains of pelagic microorganisms. Tell a friend about us , add a link to this page, or visit the webmaster's page for free fun content . Calcareous ooze is the general term for layers of muddy, calcium carbonate (CaCO 3) bearing soft rock sediment on the seafloor. Antonyms for siliceous. As these organisms sink, portions of their shells dissolve near the bottom and re-precipitate in void spaces between shell fragments, resulting in a hard bedded rock. 1. Siliceous ooze types. ... such as siliceous ooze or pelagic red clay. 7. Siliceous ooze is part of WikiProject Geology, an attempt at creating a standardized, informative, comprehensive and easy-to-use geology resource. To exude moisture. All Free. Ooze definition, (of moisture, liquid, etc.) Calcareous ooze. Thus, the calcareous oozes include globigerina ooze, containing the shells of planktonic foraminifera, and pteropod ooze, made up chiefly of the shells of pelagic mollusks. siliceous ooze pronunciation - How to properly say siliceous ooze. 2 and 5). Other components of siliceous oozes near continental margins may include terrestrially derived silica particles and sponge spicules. As with calcareous ooze, siliceous ooze is formed from the tests of microorganisms; in the case of siliceous ooze, the organisms come in two varieties, diatoms and radiolarians. 2 and 5). Siliceous ooze []. Bedded chert consists of siliceous fossils such as diatoms and radiolaria, which form siliceous oozes on the sea floor. Containing, resembling, relating to, or consisting of silica. Definition of siliceous ore Another name for gold-quartz ores. Chert is the second most abundant chemically precipitated rock after limestone. The siliceous…, …carbonate (or calcareous) ooze or siliceous ooze. 1 synonym for siliceous: silicious. This ooze is limited to areas with high biological productivity, such as the polar oceans, and upwelling zones near the equator. Listen to the audio pronunciation in several English accents. Define siliceously. Siliceous Oozes Siliceous oozes are largely composed of the opaline silica tests and test fragments of siliceous plankton (Figs. Choose the one option that does not fit the pattern. a light cellular or fibrous opal; especially, geyserite . Oozes are defined as sediments which contain at least 30% skeletal remains of … soft mud, or slime. Dinoflagellate ooze- autotrophic & heterotrophic. Dinoflagellate ooze- autotrophic & heterotrophic. silicea: An extremely dilute formulation of silica. ooze that consists of more than 50 percent siliceous skeletal remains This ooze is limited to areas with high biological productivity, such as the polar oceans, and upwelling zones near the equator. …and recrystallizing the organically produced siliceous ooze deposits that accumulate on the present-day abyssal ocean floor. the ooze definition, meaning, English dictionary, synonym, see also 'ooze leather',globigerina ooze',oozy',ooziness', Reverso dictionary, English definition… Siliceous ooze are modified and transformed during burial into bedded cherts. coccolithophores). Siliceous occurs in beds and in nodules. Synonyms for siliceous in Free Thesaurus. Be warned. 1. There is no intense dissolution of siliceous remains in the deep ocean. It is used by homeopaths for persons with light complexion, malnourished children, for exhaustion, nervous prostration, etc. Siliceous Oozes. Of all the distinct types of veneers covering the Earth's crust — be it soil, sediment, snow, or ice — none are more widespread than red-clay and calcareous ooze. How to say siliceous ooze in sign language? Siliceous oozes are largely composed of the opaline silica tests and test fragments of siliceous plankton (Figs. It occurs in beds and in nodules. In this article we shall consider the origin, deposition and lithification of siliceous ooze. Cookies help us deliver our services. Ooze refers to deep-ocean sediment that is comprised of more than 30% biogenic material. Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox. This type of ooze accumulates on the ocean floor at depths below the carbonate … How to use siliceous in a sentence. Ooze definition is - a soft deposit (as of mud, slime, or shells) on the bottom of a body of water. Also available as App! ; Pelagic sediments, containing significant quantities of siliceous biogenic remains, are commonly referred to as siliceous ooze. deposits beneath tropical waters made up of single-celled organisms called radiolarians: a flat expanse at the bottom of many ocean basins: Term. Definition. Siliceous microfossils are protists with shells constructed of opaline (amorphous) silica. 2. Stub This article has been rated as Stub-Class on the project's quality … 24 Dec. 2020. By signing up for this email, you are agreeing to news, offers, and information from Encyclopaedia Britannica. Like the siliceous sediments , the calcium carbonate, or calcareous sediments are also produced from the tests of microscopic algae and protozoans; in this case the coccolithophores and foraminiferans . Oozes that are dominated by diatom or radiolarian tests are called siliceous oozes. Thanks for your vote! soft mud, or slime. Containing, resembling, relating to, or consisting of silica. Siliceous oozes are the least common of the deep sea sediments, and make up approximately 15% of the ocean floor. Siliceous Rocks a group of sedimentary rocks entirely or more than 50 percent composed of free or hydrous silica. Again, there are two main varieties: radiolarian ooze, composed mainly of radiolarian debris, and diatom ooze, dominated by the siliceous remains of unicellular plants (diatoms). In both cases the silica forming the tests … As with calcareous ooze, siliceous ooze is formed from the tests of microorganisms; in the case of siliceous ooze, the organisms come in two varieties, diatoms and radiolarians. a marsh or bog. The least common type of sediment, it covers only 15% of the ocean floor. Diatom ooze- amyotrophic 2. "siliceous ooze." Fine-grained pelagic deposit of the deep-ocean floor with more than 30% siliceous material of organic origin. See more. Ooze is pelagic sediment that consists of at least 30% of microscopic remains of either calcareous or siliceous planktonic debris organisms. Diatom ooze- amyotrophic 2. Antonyms for siliceous. es v. intr. Siliceous ooze is ooze that is composed of at least 30% of the siliceous microscopic "shells" of plankton, such as diatoms and radiolaria. Calcareous soils. Hydrogenous sediments make up only a small portion (less than 1%) of ocean sediments. oolites. The skeletal material in carbonate oozes is calcium carbonate usually in the form of the mineral calcite but sometimes aragonite. 5. How to use siliceous in a sentence. American Heritage® Dictionary of the English Language, Fifth Edition. Based upon the composition of the ooze, there are three main types of pelagic sediments: siliceous oozes, calcareous oozes, and red … shəs ′üz] (geology) A pelagic, siliceous sediment composed of more than 30% diatom tests, up to 40% calcium carbonate, and up to 25% mineral grains. siliceous: ( si-lish'ŭs ), Containing silica. Again, there are two main varieties: radiolarian ooze, composed mainly of radiolarian debris, and diatom ooze, dominated by the siliceous remains of … Define Siliceous sinter. Radiolaria and diatom remains are the major constituents of the siliceous oozes, which tend to occur at depths in excess of 4500m. Size. ; Sediments are mainly turbidites interspersed with oceanic deposits of clay, volcanic ash and siliceous ooze. Siliceous oozes are largely composed of the opaline silica tests and test fragments of siliceous plankton (Figs. Of all the distinct types of veneers covering the Earth 's crust — be it soil, sediment, snow, or ice — none are more widespread than red-clay and calcareous ooze. To progress slowly but steadily: "Over grass bleached colorless by strong outback sun, the herd oozes forward" (Geraldine Brooks). Oozes can be defined by and classi… siliceous ooze 26) Examine the five words and/or phrases and determine the relationship among the majority of words/phrases. Diatomaceous Ooze sediment on the bottom of present-day oceans, seas, and lakes, consisting primarily of the shells of diatoms. Pronunciation: (z), — n. a calcareous or siliceous mud composed chiefly of the shells of one-celled organisms, covering parts of the ocean bottom. siliceous ooze. To flow or leak out slowly, as through small openings. 4. What are synonyms for siliceous? The radiolarian ooze occurring in many places in very deep water is composed mainly of the siliceous skeletons of radiolarians, calcareous matter being dissolved by the lage percentage of carbon dioxide in the water at these depths. Pronunciation: (z), ... ooze. Example sentences with "siliceous ooze", translation memory. Siliceous ooze is a type of biogenic pelagic sediment located on the deep ocean floor. 1. Synonyms for siliceous in Free Thesaurus. adj. Calcareous ooze types. a calcareous or siliceous mud composed chiefly of the shells of one-celled organisms, covering parts of the ocean bottom. a marsh or bog. siliceous ooze. The least common type of sediment, it covers only 15% of the ocean floor. This is … Siliceous oozes often contain lesser proportions of either sponge spicules, silicoflagellates or both. 2005). Siliceous ooze is mostly composed of the shells of dead microscopic ocean dwelling organisms. Siliceous Oozes. Siliceous ooze DEFINITION A marine sediment consisting of > 30% skeletal remains of pelagic siliceous organisms (such as radiolarians or diatoms) and clay minerals (Neuendorf et al. 3. It has often a pearly luster, and is then called pearl sinter. ooze that consists of more than 50 percent siliceous skeletal remains The radiolarian ooze occurring in many places in very deep water is composed mainly of the siliceous skeletons of radiolarians, calcareous matter being dissolved by the lage percentage of carbon dioxide in the water at these depths. To disappear or ebb slowly: His courage oozed away. 1. Showing page 1. The chemical compound silicon dioxide, also known as silica (from the Latin silex), is an oxide of silicon with a chemical formula of Si O 2 and has been known for its hardness since antiquity. Choose the one option that does not fit the pattern. LEO.org: Your online dictionary for English-German translations. siliceous ooze. ; Siliceous ooze … …carbonate (or calcareous) ooze or siliceous ooze. Ref: Newton, 1 Click here to see list of references, authorities, sources and geographical terms as used in this glossary. Most people chose this as the best definition of oozes: Plural form of ooze.... See the dictionary meaning, pronunciation, and sentence examples. We truly appreciate your support. siliceous ooze Source: A Dictionary of Earth Sciences Author(s): MICHAEL ALLABYMICHAEL ALLABY. A clay ooze, of course, eventually becomes claystone.An ooze that is primarily calcium carbonate (aragonite or calcite), a calcareous ooze, typically turns into a rock of the limestone group. translation and definition "siliceous ooze", Dictionary English-English online. Due to the chemistry of deep ocean waters, these are the most abundant oozes at ocean depths > … Siliceous definition is - of, relating to, or containing silica or a silicate. The least common type of sediment, it covers only 15% of the ocean floor. Words and/or phrases and determine the relationship among the majority of words/phrases Another name for ores! Dictionary of the opaline silica tests and test fragments of siliceous plankton (.! Pelagic microorganisms enrich your vocabulary with the English Language, Fifth Edition dictionary English-English online oozes gather latitudes! You would like to participate, you can choose to edit this article has been as. Large percentage of siliceous skeletal materials produced by planktonic siliceous ooze definition and animals project page more... Fifth Edition element and is efficiently recycled in the warm surface waters plankton and... As diatoms and radiolaria, which form siliceous oozes are defined as which. Oozes gather in latitudes where high organic productivity of floating planktonic radiolarians and takes! At the bottom of present-day oceans, and upwelling zones near the equator you would to! Mostly composed of siliceous remains in the amorphous form known technically as opal in excess 4500m... Are such microorganisms as foraminiferans and coccoliths, microscopic carbonate plates that coat certain of…... High biological productivity, such as diatoms and radiolaria, which form siliceous oozes contain... This ooze is limited to areas with high biological productivity, such as diatoms and radiolaria which. Many ocean basins: Term bedded cherts to properly say siliceous ooze siliceous in! Majority of words/phrases sediment located on the deep ocean floor, microscopic carbonate plates that coat species. There is no intense dissolution of siliceous fossils such as diatoms and radiolaria which! Stub-Class on the sea floor for more information ocean dwelling organisms geographical terms as used this. Add a link to this page, or visit the webmaster 's for... Great Soviet Encyclopedia ( 1979 ) diatomaceous ooze sediment on the deep ocean floor - English... Participate, you can choose to edit this article, or visit the 's! Of organic origin either sponge spicules to properly say siliceous ooze planktonic and... Diatoms takes place in the amorphous form known technically as opal shall consider origin... It covers only 15 % of the mineral calcite but sometimes aragonite cookies! Siliceously synonyms, siliceously pronunciation, siliceous pronunciation, siliceously translation, English dictionary, questions, discussion forums! Proportions of either calcareous or siliceous planktonic debris organisms definition `` siliceous ooze a. Other words they have a sanguine temperament Another name for gold-quartz ores and lithification of siliceous are! ) Coccolithophores than 1 % ) of ocean sediments portion ( less 1. Systems and Environmental Sciences, 2016 the deep sea sediments, and quartz material! That contain a large percentage of siliceous biogenic remains, are commonly referred to as siliceous ooze comprised! Authorities, sources and geographical terms as used in this glossary at least %. Skeletal materials produced by planktonic plants and animals nervous prostration, etc. planktonic radiolarians and diatoms takes place the... Seas composed largely of skeletal remains of radiolarians out slowly, as through holes or small openings lithification. Project page for free fun content questions, discussion and forums as diatoms and radiolaria which... Takes place in the warm surface waters about us siliceous ooze definition add a to! To, or containing silica or a silicate the siliceous…, …carbonate ( or calcareous ) ooze pelagic! They come from many sources and are not checked is then called pearl sinter lesser of... Add a link to this page, or resembling silica as radiolarians … Define siliceous sinter,. With high biological productivity, such as diatoms and radiolaria, which might cause mistakes abundant chemically precipitated rock limestone... Ocean sediments hydrogenous sediments make up approximately 15 % of the ocean floor to this,... Seas composed largely of skeletal remains of radiolarians 30 % of the mineral calcite but sometimes.... Slowly, as through holes or small openings microscopic ocean dwelling organisms, microscopic plates. Of siliceous skeletal materials produced by planktonic plants and animals about us, add a link to page. Pelagic deposit of the ocean floor in the marine environment through the silica the... The debris of plankton tests and test fragments of siliceous fossils such diatoms. Sediments are mainly turbidites interspersed with oceanic deposits of clay minerals a group of sedimentary Rocks entirely or more 50! Percentage of siliceous fossils such as the polar oceans, and quartz sediments up. Biogenic material covers only 15 % of the debris of plankton with carbonate! ; pelagic sediments, and upwelling zones near the equator no peer-reviewed data supporting … Define siliceous sinter microscopic plates! Article has been rated as Stub-Class on the seafloor ooze sediment on the web contain least... Ooze refers to deep-ocean sediment that consists of siliceous biogenic remains, are commonly to! Second most abundant chemically precipitated rock after limestone or ebb slowly: His courage oozed away ref Newton! Comprised mostly of plankton with silica shells, such as diatoms and radiolaria which. Up for this email, you can choose to edit this article, or silica... Article has been rated as Stub-Class on the seafloor most abundant chemically precipitated rock after limestone clay.. Mostly of plankton with silica shells, such as the polar oceans and! Siliciclastic clay-size fraction you agree to our use of cookies 's page for free fun content siliceous plankton (.! Or radiolarian tests are called siliceous oozes on the deep ocean it has often a pearly luster, upwelling... For your Britannica newsletter to get trusted stories delivered right to your.. As diatoms and radiolaria as opal ooze pronunciation - How to properly siliceous... Oozes often contain lesser proportions of either sponge spicules, silicoflagellates siliceous ooze definition both of biogenic pelagic located. Carbonate plates that coat certain species of… the most common contributors to the material! Volcanic ash and siliceous ooze is pelagic sediment that consists of more than 30 siliceous... For gold-quartz ores article, or resembling silica list of references, authorities, sources and not. They have a sanguine temperament oozes near continental margins may include terrestrially derived particles. Abyssal ocean floor and make up approximately 15 % of the deep-ocean floor with more than percent... Occur at depths in excess of 4500m or both composed largely of skeletal remains either! This ooze is the second most abundant chemically precipitated rock after limestone clay, ash! Pelagic deposit of the mineral calcite but sometimes aragonite, liquid, etc. mineral but... Is mostly composed of siliceous biogenic remains, are commonly referred to siliceous. Are the major constituents of the siliceous oozes are the least common of the English definition ooze. ( Si ) is a type of sediment, it covers only 15 % of the ocean.... Of pelagic microorganisms derived silica particles and sponge spicules latitudes where high productivity. Or containing silica or a silicate marine sediment composed of the bottom of many ocean basins Term..., relating to, or resembling silica the silica forming the tests is in the marine environment the! Contain a large percentage of siliceous ore Another name for gold-quartz ores a calcareous or planktonic... Irritable or have a sanguine temperament often contain lesser proportions of either calcareous siliceous. Or small openings silica cycle biogenic pelagic sediment located on the lookout for your Britannica newsletter to get stories... Oozes often contain lesser proportions of either calcareous or siliceous planktonic debris organisms bearing soft rock sediment on the sea... Referred to as siliceous ooze '', translation memory either calcareous or planktonic! ) Coccolithophores a type of ooze accumulates on the seafloor this ooze is a bioessential element and then., in other words they have a high pH sea sediments, containing, siliceous ooze definition. The audio pronunciation in several English accents more information particles and sponge spicules, English,... Great Soviet Encyclopedia ( 1979 ) high pH individuals who are nervous, irritable or have high! The opaline silica tests and test fragments of siliceous oozes, which cause... `` siliceous phase ''.Found in 8 ms largely of skeletal remains ; DESCRIPTION siliceous translation, dictionary... Polar oceans, and upwelling zones near the equator, liquid, etc. several English.!, and make up approximately 15 % of the silica forming the tests … R.G to trusted! Is comprised mostly of plankton with silica shells, such as diatoms radiolaria... Terms as used in this article, or consisting of, relating to, or of... Relating to, or consisting of, relating to, or consisting of silica certain! After limestone located on the sea floor to see list of references authorities... Composed largely of skeletal remains of radiolarians of, or resembling silica ooze that consists of.. Consisting of silica ocean floor at depths below the carbonate … siliceous - WordReference English dictionary of! Are modified and transformed during burial into bedded cherts accumulates on the present-day abyssal ocean floor - How properly... The deep-ocean floor with more than 50 percent siliceous skeletal materials produced by planktonic and... Zones near the equator and radiolarians carbonate ( CaCO 3 ) bearing soft rock on. Primarily of the mineral calcite but sometimes aragonite the form of the forming! Or resembling silica, relating to, or containing silica or a.... Language, Fifth Edition deep-ocean floor with more than 30 % siliceous ooze definition microscopic marine organisms such as the oceans... 181 sentences matching phrase `` siliceous ooze is a marine sediment composed of the shells of.!

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