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radiolarite
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radiolarite
radiolarite Geol. (reɪdɪəʊˈlɛəraɪt) [a. F. radiolarite (F. Jaccard 1904, in Bull. des Laboratoires de Géol., etc. (Univ. of Lausanne) II. viii. 79): see Radiolaria n. pl. and -ite1.] A type of homogeneous fine-grained siliceous sedimentary rock formed mainly from skeletal remains of radiolarians; al...
Oxford English Dictionary
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Radiolarite
However, radiolarian earth is typically regarded by Earth scientists to be the unconsolidated equivalent of a radiolarite. The Windalia radiolarite is a Lower Cretaceous (Aptian) formation in Western Australia.
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radiolarian
radiolarian, a. and n. (ˌreɪdɪəˈlɛərɪən) [f. prec. + -an.] A. adj. a. Zool. Of or pertaining to the Radiolaria. b. Geol. radiolarian chert, a cryptocrystalline type of radiolarite; loosely = radiolarite; radiolarian earth, unconsolidated siliceous rock formed from the remains of radiolaria; radiolar...
Oxford English Dictionary
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Benzú
The tools are made from Flint, Sandstone and Radiolarite with scrapers used for working both wood and hide.
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Parseierspitze
Geography
The summit consists of radiolarite rocks preventing it from eroding. Due to its height, it is called the "Queen of the Lechtal Alps".
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Lizumer Reckner
The summit block of the Reckner consists of serpentinite, which is mainly embedded in radiolarite.
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Dasht-e Kahou
Archaeological excavations have shown that about forty thousand years ago, Neanderthal humans used natural outcrops of radiolarite or chert around this
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Biniai Nou hypogea
shed light into their chronology and let the team recover objects that formed part of the grave goods that accompanied the dead: ceramic vessels, awls, radiolarite
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Obłazowa Cave
tool inventory of layer VIII contained a wide range of raw material: Jurassic Cracow flint, chocolate flint, both imported from northern regions, local radiolarite
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Ruhpolding Formation
The open marine radiolarite is very rich in silica. The formation is also known as Ruhpolding Radiolarite or Ruhpolding Beds.
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Kleinwalsertal
At the Bärenkopf, a small mine for radiolarite was found. This was mined to produce stone tools and arrowheads.
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Birdrong Sandstone
The formation overlies the Kockatea Shale, Forestier Claystone and Zeepaard Formation and is overlain by the Muderong Shale, Windalia Radiolarite and Tamala
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Mongol-Okhotsk Ocean
Uranium-lead dating of basalt, dolerite gabbro as well as Silurian radiolarite gives ages constraints on the formation of the oceanic crust.
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Northeim Lake District
Gravel that is found there is composed of greywacke, radiolarite and sand.
It is located where the Rhume river flows into the Leine river.
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Geology of South Georgia and the South Sandwich Islands
In the west are basalt flows, pillowed spilite, prehnite and trachyandesite, as well as shale with radiolarite fossils.
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