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This data release includes metadata and tabular data that documents counts of shrimp and measurements of field variables aimed to identify factors that affect the distribution and abundance of the uncommon anchialine pool shrimp Metabetaeus lohena at Kaloko-Honokōhau National Historical Park during 2017. The data set documents biological, chemical and physical attributes within 173 anchialine pools surveyed during the study.
Categories: Data;
Tags: Aquatic Biology,
Ecology,
Island of Hawai‘i,
Kaloko-Honokohau National Historical Park,
USGS Science Data Catalog (SDC),
238U/206Pb SHRIMP, 40Ar/39Ar geochronologic, and geochemical data from the Central Virginia Piedmont
The Central Virginia Seismic Zone (CVSZ) is an area of historically increased earthquake activity that is of particular importance due to its proximity to many well-populated regions in the Virginia Piedmont. Notably, the epicentral region of the 2011 magnitude (M)5.8 earthquake in Mineral, Virginia falls within the CVSZ (Horton and Williams, 2012), making this region relevant not just historically, but also in more recent times. Thus, the U.S. Geological Survey is focusing on detailed bedrock mapping of the central Virginia Piedmont to better understand bedrock and fault geometry, fault history, and seismic risk potential. Though the central Virginia Piedmont has been mapped to some extent in previous studies (Hopkins,...
Categories: Data;
Tags: 40Ar/39Ar,
Bascom Argon Dating Lab,
CVSZ,
Central Virginia Piedmont,
Central Virginia Seismic Zone,
These data are for a geochronologic study of emplacement ages for plutons of the Cretaceous Idaho batholith and detrital zircon ages for metasedimentary rocks, west-central Idaho. Zircon from six samples of discrete plutons across a regional transect were dated by sensitive high resolution ion microprobe (SHRIMP). SHRIMP U-Pb ages of igneous rocks connect the igneous activity to structural history, crustal depths, and origins of epigenetic gold-silver-antimony-tungsten±mercury mineral deposits. Zircon from four samples of metasedimentary rocks in the southern part of the central Idaho mineral province were dated—three by laser ablation inductively coupled plasma mass spectrometry (LA-ICPMS) methods and one by SHRIMP...
Categories: Data;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: "Mineral Resources"],
"Structural Geology",
Detrital Zircon,
GGGSC,
Geochronology,
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