ERSC 1F90 Lecture Notes - Lecture 2: Gamma Ray, Radiocarbon Dating, List Of Index Fossils
18 Feb 2016
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Document Summary
Practices: flaring and venting, synch tl, drive-thru. Fossil: any evidence of ancient life that is preserved in: unconsolidated sediment or, sedimentary rock. Paleontology: the branch of geology that focuses on the study of fossils. Paleobiology: the study of the organisms preserved as fossils. Taxonomy: the classification of fossils (species, genera, taxa) Paleoeocology: the study of the relationship between fossil organism and their environment. Body fossil: a fossil preserving all or part of the body of an organism. Soft parts are not normally preserved; body fossils normally preserve the skeleton (internal or external) Teeth are often particularly resistant to breakdown after death and in many cases we only know of an ancient organism"s existence due to its fossil teeth. Exclude water organic tissue and shell material not normally preserved tar, ice, amber. 6 mass extinctions: hirnantian, end devonian, serpukhovian, end permian, end triassic, k/t** famous for the extinction of the dinosaurs.
