Mineralogical and Chemical Data for Heavy-Mineral Concentrate Samples Collected in the Taylor Mountains Quadrangle, Alaska, 2004-2008
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| Field | Value |
|---|---|
| accessLevel | public |
| bureauCode | {010:12} |
| catalog_@context | https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld |
| catalog_conformsTo | https://project-open-data.cio.gov/v1.1/schema |
| catalog_describedBy | https://project-open-data.cio.gov/v1.1/schema/catalog.json |
| identifier | USGS:ASC391 |
| metadata_type | geospatial |
| modified | 20210622 |
| old-spatial | -159.00, 59.81, -155.87, 61.00 |
| publisher | U.S. Geological Survey |
| publisher_hierarchy | Department of the Interior > U.S. Geological Survey |
| resource-type | Dataset |
| source_datajson_identifier | true |
| source_hash | 51e36b77b94cd09613247943e66690c70299be48 |
| source_schema_version | 1.1 |
| spatial | {"type": "Polygon", "coordinates": [[[-159.00, 59.81], [-159.00, 61.00], [ -155.87, 61.00], [ -155.87, 59.81], [-159.00, 59.81]]]} |
| theme | {geospatial} |
| Groups |
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| Tags |
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| isopen | False |
| license_id | notspecified |
| license_title | License not specified |
| maintainer | Bronwen Wang |
| maintainer_email | ascweb@usgs.gov |
| metadata_created | 2025-11-21T10:26:19.329165 |
| metadata_modified | 2025-11-21T10:26:19.329169 |
| notes | Data for 819 pan concentrated stream-sediment samples, nonmagnetic heavy-mineral concentrate (HMC) samples, and chemical data for 93 of HMC samples is presented in data file geology_mineralogy_geochemistry_TaylorMtns_Alaska_Wang.csv. The samples were collected in 2004-2008 as part of a reconnaissance geochemical geological survey of drainage basins mostly in the Taylor Mountains 1:250,000-scale quadrangle in southwestern Alaska. Samples were collected from first- or second-order streams, as shown on USGS 1:63,360-scale maps. The data reported here are from hand lens inspection of the panned concentrate samples in the field, microscopic examination of the non-magnetic fraction of the HMC samples in the lab, and chemical analyses by Inductively Coupled Plasma-Atomic Emission Spectrometry-Mass Spectrometry (ICP-AES-MS) of selected nonmagnetic HMC samples. Details of sample processing and analysis are provided in the supplemental document Supplemental_Info_Methods_Collection_Processing_Analytical.pdf. For citations regarding other analysis and samples collected during the survey see the references provided in supplemental documentation Supplemental_Info_Citations_Related_Datasets.pdf. |
| num_resources | 2 |
| num_tags | 27 |
| title | Mineralogical and Chemical Data for Heavy-Mineral Concentrate Samples Collected in the Taylor Mountains Quadrangle, Alaska, 2004-2008 |