| snippet:
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Sourced from th National Geochronological Database: Radiometric and fission-track age determinations of geologic materials from the continental US and Alaska |
| summary:
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Sourced from th National Geochronological Database: Radiometric and fission-track age determinations of geologic materials from the continental US and Alaska |
| extent:
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[[-120.133611172189,34.4414308938937],[-114.643252842784,40.8838606083534]] |
| accessInformation:
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USGS |
| thumbnail:
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thumbnail/thumbnail.png |
| typeKeywords:
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["Data","Service","Map Service","ArcGIS Server"] |
| description:
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From the USGS
Abstract:
Radiometric ages of geological materials by K-Ar, Rb-Sr, Sm-Nd, fission track, and U-Th-Pb dating methods. A revision of DDS-14 correcting locations and providing the data in more convenient formats.
Purpose:
This database is a minor revision of DDS-14, with some corrections. |
| licenseInfo:
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| catalogPath:
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| title:
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RockAndMinerals |
| type:
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Map Service |
| url:
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|
| tags:
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["Geochron","age","geology"] |
| culture:
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en-US |
| name:
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RockAndMinerals |
| guid:
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7797E9CA-F735-40EF-87F3-A7CC2160E27A |
| spatialReference:
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WGS_1984_Web_Mercator_Auxiliary_Sphere |