IGSN: 10.58052/IEDS1000H 
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| | IGSN: | 10.58052/IEDS1000H |
| | Sample Name: | UWA |
| | Other Name(s): | Upper Whitney Ash |
| | Sample Type: | Individual Sample>Specimen |
| | Parent IGSN: | Not Provided |
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| Description |
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| Material: | Rock |
| Classification: | Igneous>Volcanic |
| Field Name: | Volcanic tuff |
| Description: | ~50 cm thick intensely weathered light grey zone with sugary/granular texture, overlying reddish brown siltstone. Lowermost 15 cm sampled. Laterally continuous over several hundred metres. Equivalent to the Upper Ash of Prothero et al., (1983) and Prothero and Swisher (1992) |
| Age (min): | Not Provided |
| Age (max): | Not Provided |
| Collection Method: | Not Provided |
| Collection Method Description: | Not Provided |
| Size: | 4 kg |
| Geological Age: | Oligocene |
| Geological Unit: | White River Group, Brule Formation, Whitney Member |
| Comment: | Not Provided |
| Purpose: | ID-TIMS geochronology (zircon) |
| Geolocation |
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| Latitude (WGS84): | 42.83215 |
| Longitude (WGS84): | -103.579683 |
| Northing (m) (UTM NAD83): | Not Provided |
| Easting (m) (UTM NAD83): | Not Provided |
| Zone: | Not Provided |
| Vertical Datum: | Not Provided |
| Elevation Start: | Not Provided |
| Elevation End: | Not Provided |
| Nav Type: | GPS |
| Physiographic Feature: | Not Provided |
| Name Of Physiographic Feature: | Toadstool Geologic Park, Nebraska |
| Location Description: | Toadstool Geologic Park, Nebraska |
| Locality: | Toadstool Geologic Park |
| Locality Description: | Not Provided |
| Country: | United States |
| State/Province: | Nebraska |
| County: | Sioux |
| City: | Not Provided |
| Collection |
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| Field Program/Cruise: | Not Provided |
| Platform Type: | Not Provided |
| Platform Name: | Not Provided |
| Platform Description: | Not Provided |
| Launch Type: | Not Provided |
| Launch Platform Name: | Not Provided |
| Launch ID: | Not Provided |
| Collector/Chief Scientist: | D. O. Terry |
| Collector/Chief Scientist Detail: | Not Provided |
| Collection Start Date: | 2010-04-20T00:00:00Z |
| Collection End Date: | Not Provided |
| Curation |
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| Current Archive: | British Geological Survey, NERC Isotope Geosciences Laboratory (NIGL) |
| Current Archive Contact Details: | D. Sahy (dihy@bgs.ac.uk) |
| Original Archive: | Not Provided |
| Original Archive Contact Details: | Not Provided |
| Relation To Parent |
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| Depth (min): | 141.25 metres above base of measured section |
Depth (max): | 141.75 metres above base of measured section | | Related Samples |
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Parents: | No Parents | | Siblings: | No Siblings |
| Children: | No Children |
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