GEOG 2051 Chapter : 1 26 16
Document Summary
Interglacials (warm period that separate the glacials) Tuesday, january 26, 2016 the nature of the earth- history, internal structure, materials landscapes you see today are a snapshot in time. Ripples (short term) origin of solar system- sun , planets, moons, and astroids best hypothesis- solar system formed from nebula, nuclear fusion occurred to form the sun, bands eventually form planets. C14 > n14, half life= 5,800 years half life. *never completely breaks down, just smaller and smaller amounts can tell us how far back schools of thought for completing picture of history: uniformitarianism- present is key to past , use knowledge of how the earth is today. Dendrochronology, commonly known as tree ring dating parent. 87. 5% ex. older, younger (not specific numbers) to interpret the past (gradualism- earth processes are slow: catastrophism- earth"s surface shaped by major events (catastrophes), earth is young (drawn from biblical interpretations) Found large ripples, concluded area was formed in a giant flood.
