File:North america basement rocks.png
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North_america_basement_rocks.png (484 × 429 像素,檔案大小:31 KB,MIME 類型:image/png)
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描述North america basement rocks.png |
North American cratons and basement rocks. As radiometric ages were determined for the shield-like rocks on the continents which were either exposed at the surface, underlay the flat rocks, or were within the interior of the mountain belts, patterns of age intervals were determined. These old rocks have been called the "basement". This has been interpreted to mean that the continents had somehow grown by development of rock assemblages with these characteristic age parameters. The expanding continental nuclei are part of the "craton" which consist of both exposed and buried basement rocks. |
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來源 | http://rst.gsfc.nasa.gov/Sect2/14strprv.jpg or http://instruct.uwo.ca/earth-sci/300b-001/14strprv.gif English Wikipedia, original upload 22 April 2005 by Berkut Originally uploaded by User:SEWilco as Image:North america basement rocks.jpg. Replaced when this better version found. | ||||
作者 | USGS | ||||
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derivative works
[編輯]Derivative works of this file: North america and scandinavia basement rocks.png
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日期/時間 | 縮圖 | 尺寸 | 用戶 | 備註 | |
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目前 | 2019年10月11日 (五) 22:48 | 484 × 429(31 KB) | Ciaurlec(對話 | 貢獻) | Reverted to version as of 21:20, 29 September 2019 (UTC) | |
2019年9月30日 (一) 13:52 | 484 × 429(37 KB) | Ciaurlec(對話 | 貢獻) | Reverted to version as of 19:38, 29 September 2019 (UTC) | ||
2019年9月29日 (日) 21:20 | 484 × 429(31 KB) | Ciaurlec(對話 | 貢獻) | Major colour change to make conform to Geologic time scale where possible. Used also some other graphic changes as in File:North america and scandinavia basement rocks.png 2nd upload | ||
2019年9月29日 (日) 19:38 | 484 × 429(37 KB) | Ciaurlec(對話 | 貢獻) | Major colour change to make conform to Geologic time scale where possible. Used also some other graphic changes as in File:North america and scandinavia basement rocks.png | ||
2005年9月16日 (五) 15:47 | 484 × 429(13 KB) | Saperaud~commonswiki(對話 | 貢獻) | North American cratons and basement rocks. As radiometric ages were determined for the shield-like rocks on the continents which were either exposed at the surface, underlay the flat rocks, or were within the interior of the mountain belts, patte |
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- de.wikipedia.org 的使用狀況
- el.wikipedia.org 的使用狀況
- en.wikipedia.org 的使用狀況
- North America
- List of tectonic plates
- Lake Nipigon
- User:SEWilco/Images
- Talk:Abiogenic petroleum origin/Archive 1
- Slave Craton
- Churchill Craton
- Rae Craton
- Geography of North America
- List of shields and cratons
- Innuitian orogeny
- Trans-Hudson orogeny
- Wyoming Craton
- Laurentia
- Wikipedia:Graphics Lab/Image workshop/Archive/Feb 2009
- Wikipedia:Graphics Lab/Map workshop/Archive/May 2009
- Taltson Magmatic Zone
- Hearne Craton
- Wikipedia:Reference desk/Archives/Science/2016 July 26
- User:Ryleymac/sandbox
- Talk:Geology of the United States/Archive 1
- Geology of Ontario
- User:Charlespsml/sandbox
- Superior Craton
- eo.wikipedia.org 的使用狀況
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