Learning Geology

A picture is worth a thousand words, but not all pictures are created equal. The pictures we usually feature on   Learning Geology   are fi...

Taxonomy and Identification of fossils The study of how to identify and name organisms is taxonomy. Taxonomic classification of fossils fol...

Fossilization What Kinds of Rocks Contain Fossils?  Most fossils are found in sediments or sedimentary rocks. Fossils form when organis...

Correlation of Strata The need to classify and organize rock layers according to relative age led to the geologic discipline of  s...

Fossils in rocks are preserved which are studied by the scientists. The fossils are the key to past, by studying fossils provide us the ...

What it a fossil?  The word fossil is derived from the Latin fossilis meaning an object that has been dug up from the ground. Foss...

No single group of organisms fulfils all the criteria for the ideal zone fossil and a number of different groups of taxa have been used for...

A biostratigraphic unit is a body of rock defined by its fossil content. It is therefore fundamentally different from a lithostratigrap...