Scientists of course cannot cut into Earth and directly observe its insides. Instead, their knowledge is inferred from the ...

The findings could impact how we understand the composition of the land we walk on, together with our understanding of volcanic activity and earthquake risk ...

Understanding geology is critical to studying paleontology because fossils ... Mudstone, shale, and limestone are examples of sedimentary rock likely to contain fossils. As the layers of sediment ...

Menu Local Geology History, Resources ... The great number of fossils shows the nature of life in benthic communities in the Ordovician ocean. The layers of Ohio's bedrock are slightly tilted, with ...

Menu Local Geology History, Resources ... that is. Our local limestone layers reflect times of relative prosperity for the wide variety of marine invertebrates living in a warm, shallow sea that ...

Now, researchers have connected 49 seismic events to impact craters, proving that meteorite strikes leave distinct seismic ...

Far from being just a roundish rock barreling through space, our planet is composed of several layers held together by intense forces of gravity. Our planet's interior is much too deep and hot to ...

Smith's colourful and sophisticated geological map was based on his astute observation that rock layers (strata) could be identified by the fossils they contain. He noticed that the layers always ...

that cut across layers after the rocks were deposited. This is the principle of cross-cutting relationships. The principle states that any geologic features that cut across strata must have formed ...

The geological timelines add another layer of evidence against the dinosaur-oil myth. While most dinosaur species roamed the Earth between 230 and 66 million years ago, the organic material ...