Witte Hi Pt S P Geology

Estimated to be 4600 million years jersey glaciated

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Unformatted text preview: phibians. Age of Fishes. First shark. Many diverse land plants. Earliest amphibians, ferns and mosses. First insects, jawed fish,vascular land plants. Martinsburg Formation First corals, moss. • High Point Member Primative fish, • Ramseyburg Member fungi and seaweed. • Bushkill Member Age of Trilobites. Cambrian explosion of life occurs. First vertebrates. Earliest fish. First shells appear. Bloomsburg Red Beds Shawangunk Formation Cold climate with three episodes of glaciation in late Proterozoic. First soft-bodied invertebrates and colonial algae. Oxygen build-up in atmosphere during Mesoproterozoic. Life appears. First bacteria and blue-green algae begin freeing oxygen to Earth’s atmosphere. Earth molten. Sun and planets form. Shading indicates that geologic deposits from these time periods are present at High Point State Park. 1 Gradstein, F.M. and others, 2004, A Geologic Time Scale: Cambridge University Press, 589 p. 2 Pennsylvanian and Mississippian comprise the Carboniferous System. 3 Also called Precambian, a non-specific time term. Rocks of these ages are not found at (or near) the surface at High Point State Park. They may be at depth. 0 to 10,000 10,000 to 1.8 million CENOZOIC Years Ago1 Eon Era...
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