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The flashcards below were created by user
akatherine
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What important information do we acquire from sediments?
- origin
- transport
- nature of the locale where it was deposited
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clastic sediments
composed of fragments of rock, other sediment, or soil material that reflect a history of erosion, transport, and deposition.
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Early Archaic Period
- 6500 BC - 2000 BC
- warmer temperatures
- small game hunters, gatherers
- lightly built structures
- used storage pits (not common)
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Paleo-Indian Period
- 15,000 B.P. (?) - 6500 BCE
- earliest Indians in North America
- includes Clovis climate was cold
- big game hunters
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Middle Archaic Period
- 2000 BC - 1 AD
- hunter gatherers
- seasonal use of caves
- petroglyphs
- no pottery
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Late Archaic Period
- 1 CE - 1600 CE
- agriculture becomes important
- used pottery
- community becomes important
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Five main Late Archaic period prehistoric Pueblo Cultures of the southwest
- Anasazi
- Mogollon
- Hohokam
- Sinagua
- Salado
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fluvial
of or pertaining to a river
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facies
the appearance and characteristics of a sedimentary deposit, especially as they reflect the conditions and environment of deposition and serve to distinguish the deposit from contiguous deposits.
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lithology
the physical characteristics of a rock or stratigraphic unit
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