IES - Fall 2014 - Class 6 - TWO WEEK WARNING! EXAM 1:...

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TWO WEEK WARNING!!!EXAM 1: Thursday September 25th
Sedimentary RocksChapter 7
Sedimentary Rocks~75% of rocks exposed at Earth’s surface aresedimentary but only ~10% of the outer15 km of the Earth.Contain evidence of past environments.Only rock type to contain fossils.Economically important:host oil, gas, uranium and coal deposits.source of sand and gravels for construction….If you don’t grow it, you mine it! (mostly fromsedimentary rocks)…
Sedimentary RocksTwo major groups of sedimentaryrocks:clastic (detrital)andnon-clastic (chemical)Clasticrocks are formed frommineral grains(clasts)boundtogetherSedimentary rocks form from thecompaction,cementation, andlithificationof sedimentsNon-Clastic (Chemical)rocks areformed from evaporation,precipitation, or biologicalprocesses
Understandingthe Earth, 4th ed
Understandingthe Earth, 4th edPhotography undermicroscope
Porosity vs Permeability

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Term
Fall
Professor
BradleyCramer
Tags
Sedimentary rocks, Detrital sedimentary Rocks

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