PALYNOLOGICAL RECORD OF TREE LINE MOVEMENT AT 5PA153, PARK COUNTY, COLORADO
收藏DataONE2012-12-28 更新2024-06-27 收录
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资源简介：
Twelve pollen samples from site 5PA153, an open camp site
located in Park County, Colorado were analyzed for their pollen content.
This site is located at an elevation of 3554 meters (11,660 feet) near
timberline on a "tree- sheltered bench on the latest (highest) terminal
moraine near the head of Mosquito Creek drainage in the Mosquito
Range"(Christopher Arthur, personal communication, January 1981)
in central Colorado. The subsequent shaping of the moraine has been
assumed to be the result of later periglacial water washing out the
morainal deposits. The prehistoric occupation of the site extended from
approximately AD 605+/- 75 to AD 190 ± 150 or later, and occured after
the site area had become isolated from further drainage erosion. The
pollen samples were taken from a stratigraphic column extending to a
depth of 60 em below the present ground surface.
创建时间：
2012-12-28
