February 5, 1770, birthday of French naturalist & mineralogist Alexandre Brongniart. Together with Cuvier he published one of the 1st stratigraphic sections & geological maps in 1808, showing the stratigraphy of the basin of Paris
https://t.co/4SHUDIfYdF

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KETHER

Archaeological stratigraphy is the study of the superposition of layers or strata of the earth on the ground for an archaeological purpose. History is marked in each of the strata that make up the earth.



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KETHER

Archaeological stratigraphy is the study of the superposition of layers or strata of the earth on the ground for an archaeological purpose. History is marked in each of the strata that make up the earth.

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Generalized Chart of Triceratops Through Time.

Triceratops is an index fossil- a fossil used to help date a layer or unit of rock. This is made possible by a multitude of Triceratops specimens, research on its evolution, and a solid foundation on Hell Creek stratigraphy.

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One of the new species, Pontolis barroni, is named after our colleague John Barron from the in honor of his contributions to biostratigraphy of and the North Pacific! For this species we have males, females & juveniles!
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New Upper Cambrian and Lower Ordovician conodont biostratigraphy and revised lithostratigraphy, Boothia Peninsula, Nunavut 👀 over 640 conodont specimens, with 35 species = 16 genera + a new species, Rossodus? boothiaensis sp. nov.
https://t.co/jQwDodzqJU

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February 5, 1770, birthday of French naturalist & mineralogist Alexandre Brongniart. Together with Cuvier he published one of the 1st stratigraphic sections & geological maps in 1808, showing the stratigraphy of the basin of Paris
https://t.co/4SHUDIfYdF

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