GEOL 1002 Week One notes
GEOL 1002 Week One notes GEOL 1002-10
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Popular in Geology
This 4 page Class Notes was uploaded by Gwendolyn Cochran on Wednesday January 27, 2016. The Class Notes belongs to GEOL 1002-10 at George Washington University taught by Catherine A. Forster in Spring 2016. Since its upload, it has received 52 views. For similar materials see Historical Geology in Geology at George Washington University.
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Killer notes! I'm stoked I can finally just pay attention in class!!!
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Date Created: 01/27/16
Week One Lecture grade 70% 3 exams non cumulative 50% 11 Tuesday Quizzes 20% lowest quiz dropped if you are absent Labs 30% Physical Earth a dynamic system that changes through time Geography pangea, north america moves at 5 cm a year Topography elevation (rocky mountains emerged thousands of years ago) Climate ice age, seasons, equator Atmosphere make up of gasses (oxygen more abundant in dino time) Biological Earth how changes in the physical earth affects biological earth (changes in climate caused the great migration of homosapians to north america) how changes in the biological earth impact changes in the physical earth (global warming) Mount everest tallest mountain in the world rocks at the top of the mountain are marine limestone native to shallow seas contains fossils of shelled marine animals in the late cretaceous period this would have been submerged next to madagascar India moved 6,400 km north to southern asian, wherein it joined southern asian When the two continents collided the ridges of the continents formed a crumple zone, causing the shallow land around the indian continent to rise up in a mountain zone This is the origin of the himalayas and the rising of mount everest to the top of the world Grows at a rate of 1cm per year What effect does mountain building have climate change ocean clouds aren't able to cross the mountains so clouds are trapped (indian ocean storms trapped in india, southern china is dry and the Gobi desert is formed) monsoons begin on one side, and drought and deserts form on the other Biology changes: animals adapt to desert conditions and extremely wet conditions Climate change over time Steady global temperature rising after the industrial revolution with a sharp spike during WWII We are in a post glacial period, hence the rise of global temperatures Climate in much warmer with the amount of oxygen and hydrogen in the atmosphere Eocene maximum is the warmest it has been When there a icicle poles you are in a glacial period Global warming is the speeding up of the warming during this period (warming would have occurred no matter what) Time Vocabulary Tenant 1: the law of superposition= when looking at sedimentary rock the oldest stuff is at the bottom and the youngest is at the top billion BY million MY Eras are divided into periods which can be divided into epochs The oldest era is the Hadean 4.6 billion years Achaean 4000 MY 2500 MY Proterozoic 541 my Paleozoic 252 MY PERIOD Cambrian, ordovician, silurian, devonian, mississippian, pennsylvanian, permian Mesozoic 66 MY PERIOD triassic, jurassic, cretaceous Cenozoic today no periods YET EPICS paleocene, eocene, oligocene, miocene, pleistocene, holocene,
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