EARTHSC 1105 Lecture 17: ESCI 1105 Lecture 17
15 Nov 2016
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Death valley national park: wetter climate allowed colonization of death valley. 1,000 ce: timbisha shoshone people, timbisha shoshone homeland act 2000. 1848: gold found in california, 49ers people who moved west to pursue gold, harmony borax works, borax is used as a soap. 1933: established as a national monument. 1893: backdrop for star wars: return of the jedi as well as a host of other movies. 1994: established as a national park. Park region created by 5 major events: precambrian crust formation & metamorphism. Diorite: intrusive igneous rock of intermediate composition. Gabbro: intrusive igneous rock of mafic composition. Gneiss: foliated metamorphic rock with bands of feldspar and quartz: cambrian sandstone deposition. Sedimentary- rocks formed from eroded pre-existing rocks or biologic material: paleozoic carbonate deposition. Clastic: formed from sediment (bits of broken rocks) Limestone formed from caco3 producing photosynthetic organisms: cenozoic rifting (basin creation) Spans much of southwestern us and mexico. Characterized by high, narrow mountains bounded by.
