Ancient fossils are revealing unexpected chemical survivors, challenging long-held assumptions about how biological carbon is ...
HIGH in the westerly ranges of the Canadian Rockies the Ice River alkaline complex, described in a classic memoir by J. A. Allan 1, intrudes the Ottertail Limestones (of Cambrian age) forming an ...
A UT San Antonio-led international research team has identified chitin, the primary organic component of modern crab shells ...
ANYTHING relating to the Geology of Sutherland has a great interest for British geologists. It was there that the battle of the “North-West Succession” was fought out by Murchison, whose conclusions ...
The outcroppings of rock along Duck Creek contain rocks from two different geologic periods. The limestones and dolomitic limestones are from the Devonian Period and represent geologic time from ...
A UT San Antonio-led international research team has identified chitin, the primary organic component of modern crab shells and insect exoskeletons, in trilobite fossils more than 500 million years ...
This is a preview. Log in through your library . Abstract The open-shelf, subtidal, bryozoan-rich Abrakurrie Limestone beneath the Nullarbor Plain (Eucla Platform) is cyclic at the meter-scale. Best ...
A UT San Antonio-led international research team has identified chitin, the primary organic component of modern crab shells and insect exoskeletons ...
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