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GEOANTIQUITIES
HERITAGE AREAS are world-class natural archives of Earth system history,
in landscape parcels optimized for maximum Earth Science information
and minimum land area (maximum information per unit area).
Case
Study- Geoantiquities
Heritage Site: The Stockton bar (Tooele County, Utah) has an exceptionally
well-preserved series of littoral deposits from Lake Bonneville. Shoreline
deposits of the last Bonneville deep-lake cycle contain valuable information
about Late Pleistocene-Holocene climate, and are proxies for wind and
water transport.
Threats- The young, unconsolidated deposits
of the Stockton Bar are at risk of destruction by rapidly growing
demands for aggregate building materials. Permits for the removal of
400,000 tons of sand and gravel from the Stockton Bar were issued in
1999 alone. Upon removal of these deposits, the opportunity to study
geomorphic and sedimentologic expressions is permanently lost. Environmental
and aesthetic aspects of the Stockton Bar are also threatened by the
presence of a nearby solid waste reduction center and a toxic waste
pond.
Our
Study- Documentation
of the sedimentologic, geomorphic and climatologic information contained
in the Stockton Bar deposits allows us to determine the processes involved,
and to reconstruct the Late Pleistocene-Early Holocene developmental
history. GIS mapping, air photograph interpretation, field reconnaissance,
and mass budget models will be used to determine rates of erosion and
deposition for the Stockton Bar.
Geoantiquity
Implementation - The Ultimate Goal
The Stockton Bar is a unique natural landform that preserves the evidence
of Earth- surface processes during the Bonneville lake cycle. Presently,
this site is a rare island of relatively intact Bonneville deposits
in one of the fastest growing urban areas in the country. The Stockton
Bar also has aesthetic and environmental importance. Designation of
this site as a Geoantiquity Heritage Area would ensure that the integrity
of its scientific, educational, environmental and aesthetic values are
maintained.
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