Image:Shoemaker crater.jpg
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[edit] Beschreibung
| Description |
The Shoemaker impact structure lies in the arid, central part of Western Australia near Wiluna. The crater is about 30 kilometers (18 miles) in diameter and contains seasonal lakes that produce salt deposits as they evaporate. It is approximately 1.7 billion years old and is regarded as the oldest known Australian impact structure to date. A dark, crescent-shaped inner ring surrounds the core, which consists of uplifted granitic rocks. The outer ring is composed of Precambrian sedimentary rocks. The crater, formerly known as Teague, was renamed the Shoemaker impact structure in honor of the late geologist Eugene M. Shoemaker, one of the founding fathers of impact research. |
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| Source | |
| Date |
May 05,2000 |
| Author | |
| Permission (Reusing this image) |
U.S. Department of the Interior |
| Other versions | http://en.wikipedia.org/wiki/Image:Shoemaker_crater.jpg |
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This work is in the public domain in the United States because it is a work of the United States Federal Government under the terms of Title 17, Chapter 1, Section 105 of the US Code. See Copyright.
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| Date/Time | Dimensions | User | Comment | |
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| current | 13:53, 7 March 2007 | 1,200×1,318 (344 KB) | Zumthie | ({{Information |Description=The Shoemaker impact structure lies in the arid, central part of Western Australia near Wiluna. The crater is about 30 kilometers (18 miles) in diameter and contains seasonal lakes that produce salt deposits as they evaporate. I) |
