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File:820qtz.jpg

820qtz.jpg ‎(399 × 336 pixels, file size: 97 KB, MIME type: image/jpeg)

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Summary

Description
English: Sand-sized quartz grain (0.13 mm) from the USGS-NASA Langley core showing two well-developed, intersecting sets of shock lamellae produced by the late Eocene Chesapeake Bay bolide impact. This shocked quartz grain is from the upper part of the crater-fill deposits at a depth of 820.6 ft in the core. The corehole is located at the NASA Langley Research Center, Hampton, VA, near the southwestern margin of the Chesapeake Bay impact crater.
Date
Source http://geology.er.usgs.gov/eespteam/crater/shockquartz.html
Author Glen A. Izett

Licensing

Public domain
This image is in the public domain in the United States because it only contains materials that originally came from the United States Geological Survey, an agency of the United States Department of the Interior. For more information, see the official USGS copyright policy.

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inception

26 September 2000

MIME type

image/jpeg

checksum

050aba5229eda0cc4e4c92ffe96e91ebb7db76e0

determination method: SHA-1

data size

99,713 byte

height

336 pixel

width

399 pixel

File history

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Date/TimeThumbnailDimensionsUserComment
current18:58, 19 December 2010Thumbnail for version as of 18:58, 19 December 2010399 × 336 (97 KB)Hike395{{Information |Description={{en|1=Sand-sized quartz grain (0.13 mm) from the USGS-NASA Langley core showing two well-developed, intersecting sets of shock lamellae produced by the late Eocene Chesapeake Bay bolide impact. This shocked quartz grain is from

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