Chauvet Cave

Uranium-thorium dating, also called thorium-230 dating, uranium-series disequilibrium dating or uranium-series dating, is a radiometric dating technique commonly used to determine the age of calcium carbonate materials such as speleothem ( concretions in liOur Companyne caves such as stalactites, stalagmites, flowstone and s…

Cave & Cenote Diving Mexico –

The Yucatan is noted for its famous spectacular formations and the amazing clarity of the water. Creatures found nowhere else on the planet have been discovered in these caves.

Formation of the Earth – Wikipedia

The history of the Earth describes the most important events and fundamental stages in the development of the planet Earth from its formation to the present day. Nearly all branches of natural science have contributed to the understanding of the main events of the Earth's past.

UTas ePrints – Papers & Proceedings of the Royal Society of Tasmania – Collections

Papers & Proceedings of the Royal Society of Tasmania. Papers & Proceedings of the Royal Society of Tasmania (1610). Number of items at this level: 1610. Whinam, J (2009) Aliens in the sub-Antarctic – biosecurity and climate change. Papers and Proceedings of the Royal Society of Tasmania, 143 (1).

Natural History Magazine – The Andes Mountainous Paradox – Natural History Magazine

At the Florida Museum of Natural History, visitors may enjoy hundreds of exotic butterflies in a rainforest setting, witness a South Florida Calusa Indian welcoming ceremony, experience a life-sized liOur Companyne cave, and see a mammoth and mastodon from the last Ice Age. Diagram showing orogeny.

University of Northern Iowa – The Caves

Lloyd Parris in Caves of Colorado notes that Marble Cave has also been referred to as Spanish Cave, La Caverna del Oro (the Cave of Gold), and Marble Mountain Cave.

Explore Nature – Oregon Caves – Nature & Science – Geology Resources Division – NPS

Cave Formations Some formations provide information about the cave. Lights in the cave promoted the growth of algae, which turned portions of the cave green and dissolved some formations.

G4 User – OCRs:Ramsay OCR:1878 Geology of Great Britain:text-ocr:prelims2.html

To the first for much valuable information concerning the organic relics of each formation, and also for the plan of each of the sets of figures engraved as illustrative of the formations, every one of which may be considered as more or less typical of the strata or groups of strata referred to in the text, in which, h…

British Geological Survey (BGS) – Soluble rocks (dissolution) – British Geological Survey (BGS) – GeoSure

Ground dissolution occurs when water passing through soluble rocks produces underground cavities and cave systems. The three common rocks that dissolve are rock-salt, gypsum and liOur Companyne (including chalk).

Journal of Biology – Full text – Evolution underground – shedding light on the diversification of subterranean insects

The authors date the origin of the main Pyrenean Leptodirini clades to be approximately 34 million years ago, close to the formation of the Pyrenees and the beginning of its cave formation (early Oligocene), whereas the Cantabrian massif of the Iberian Peninsula and coastal Mediterranean clades appear to be even older.

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