SESAR: 10.58052/IEDS1000G

Field

Value

IGSN

10.58052/IEDS1000G

Name

LWA

Other Name(s)

Lower Whitney Ash

External Parent Name

Not Provided

External Parent Object Type

Not Provided

Publish Date

2015-01-12

Last Updated

2016-05-09

Field

Value

Object Type

General sample types > Individual sample (previously Specimen)

General Material Type

Rock (previously Rock)

Material Types

Igneous rock (previously Igneous>Volcanic)

Field Name

Volcanic tuff

Sample Description

~50 cm thick, greenish-grey in fresh exposures, becomes light-grey or white upon drying. Laterally continuous over several hundred metres. Lowermost 10 cm sampled. Equivalent to the Lower Ash of Prothero et al., (1983) and Prothero and Swisher (1992)

Age (min)

Not Provided

Age (max)

Not Provided

Age Description

Not Provided

Geological Age

Oligocene

Geological Unit

White River Group, Brule Formation, Whitney Member

Sample Size

4 kg

Purpose

ID-TIMS geochronology (zircon)

Field

Value

Latitude

42.83365

Longitude

-103.578666

Latitude End

Not Provided

Longitude End

Not Provided

Easting

Not Provided

Northing

Not Provided

UTM Zone

Not Provided

Vertical Datum

Not Provided

Depth (min)

115.9

Depth (max)

116.4

Depth Scale

metres above base of measured section

Elevation

Not Provided

Elevation End

Not Provided

Navigation Type/Location Method

GPS

Locality

Toadstool Geologic Park

Locality Description

Not Provided

Location Description

Toadstool Geologic Park, Nebraska

Primary Location Name

Toadstool Geologic Park, Nebraska

Primary Location Type

Not Provided

Continent

North America

Country

United States

Province

Nebraska

County

Sioux

City/Township

Not Provided

Field

Value

Current Archive

British Geological Survey, NERC Isotope Geosciences Laboratory (NIGL)

Current Archive Contact

D. Sahy (dihy@bgs.ac.uk)

Original Archive

Not Provided

Original Archive Contact

Not Provided

Availability

Not Provided

Field

Value

Cruise/Field Program

Not Provided

Platform

Not Provided

Launch Platform

Not Provided

Launch Label

Not Provided

Collectors

Individual: D. O. Terry

Sampling Method

Not Provided

Sampling Method Detail

Not Provided

Sampling Start Date

2010-04-20

Sampling End Date

Not Provided

Sampling Date Precision

Not Provided

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No linked resources provided.

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