Location & Climate Facts & Information about Death Valley Overall Geology Evolution of Death Valley Over Time
It's located on the eastern edge of California, along the Nevada border, in the Mojave Desert Location
It's located on the eastern edge of California, along the Nevada border, in the Mojave Desert
The depth and shape of Death Valley influence its summer temperatures. Heat radiates back from the rocks and soil, then becomes trapped in the valley's depths. Climate data for Death Valley (Furnace Creek Station) MonthJanFebMarAprMayJunJulAugSepOctNovDecYear Record high °F (°C) 88 (31) 97 (36) 102 (39) 111 (44) 122 (50) 128 (53) 134 (57) 127 (53) 123 (51) 113 (45) 98 (37) 88 (31) 134 (57) Average high °F (°C) 64.9 (18. 3) 73.3 (22.9) 82.1 (27.8) 90.5 (32.5) 100.5 (38.1) 109.9 (43.3) 116.5 (46.9) 114.7 (45.9) 106.5 (41.4) 92.8 (33.8) 77.1 (25.1) 65.2 (18.4) 91.4 (33.0) Average low °F (°C) 40.0 (4.4 ) 46.3 (7.9) 54.8 (12.7) 62.1 (16.7) 72.7 (22.6) 81.2 (27.3) 88.0 (31.1) 85.7 (29.8) 75.6 (24.2) 61.5 (16.4) 48.1 (8.9) 38.3 (3.5) 62.9 (17.2) Record low °F (°C) 15 (−9) 26 (−3) 39 (4) 46 (8) 54 (12) 67 (19) 65 (18) 55 (13) 37 (3) 30 (−1) 22 (−6) 15 (−9) Sunshine hours2172262793303723904033723303102101863,625
The area of the Death Valley is 5300 sq.miles The hottest temperature ever recorded in Death Valley was 57°C in 1913 1913 was also the year that saw Death Valley's coldest temperature - 10°C 900 different species of plants exist in the Park (ancient bristlecone pines & ephemeral spring wildflowers) Death Valley National Park received 1,064,784 visitors in 2001 The highest mountain in Death Valley National Park is 11,049 foot Telescope Peak. The vertical drop from the peak to the Badwater Basin is twice the depth of Grand Canyon. Native American's have lived in Death Valley and the surrounding area for around 1000 years. The tribe is now known as the Timbisha Shoshone. From 2.6 My to 11 thousand years ago, the floor of Death Valley was once a lake.
The History of Geology in Death Valley ranges to up to 1 billion years ago The extreme topography of Death valley caused: ◦ steep-sided erosional valleys ◦ The construction of alluvial fans 35 My ago the uplift of mountain blocks along the major faults started as a result of stretching and thinning of the crust, and it continues today.
Satellite image of central Death Valley, (courtesy J.C. Dohrenwend, 2000; north to left). N
Mainly Dominated by Paleozoic Sedimentary Rocks Precambrian Gneiss Pahrump Group: Consists of Limestone, Dolomite and sill intrusion of magma Includes stromatolite Presence of some Tertiary and Mesozoic Volcanic and Intrusive rocks. Sand dunes and Quaternary alluvium Modern Playas and Salt pans Geological Map of Death Valley
Pre-Cambrian: ◦ Middle Pre-Cambrian Continental rifting Glacio-marine deposition (explains the presence of conglomeratic beds) shallow to deep marine deposition Rapid uplift and erosion ◦ Late Pre-Cambrian Thick sedimentary cover over the continental margin Death valley was near the equator a perfect carbonate factory Conglomerates made of boulders
Paleozoic: ◦ Early Cambrian Thick sedimentary deposition was still continuing. A large period of sedimentary deposits that lasted all of Paleozoic ◦ Mid-Cambrian to Permian Carbonate factory (near equator) produced large scale carbonate deposits. Alternates of Carbonate shelf deposits with mud. An Unconformity Striped Butte in Butte Valley. Steeply tilted limestone, Permian
Mesozoic: ◦ Sea regression and high tectonics Sea regression resulted in shallow marine deposits Soon after, the sea completely withdrew creating a chain of volcanoes ◦ Thrust faults Thrust faulting due to regional uplift Large scale Pluton intrusion ◦ Ear of Dinosaurs in Arid environment (sand dunes) Split Cinder Code, Death Valley Magma A long a RL Fault
Cenozoic: ◦ Lake and River Deposits Pleistocene era (2.6 My to 11 Ky) ◦ Major Basin extension (tectonics) ◦ Mountains rise, Alluvial Fans spread across the valley ◦ Faulting, and development of a 600ft deep lake Recent ◦ Alluvial fans, playas, salt pans, dunes ◦ Continued faulting Lake Manly, Death Valley. Evaporate Deposits
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