Talk:Johnsonville crater

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instructions for editors moved from article text[edit]

This was in the article text. I'm moving it to the talk page...

"No published scientific studies have been reported on the Snows Island feature, and the basic geomorphic evidence points to a much less catastrophic mode of formation. Should anyone have scientific citations or real evidence, please place them here."

I did not see this crater listed in the Impact Field Studies Group's (IFSG) Suspected Earth Impact Sites (SEIS) list. Ikluft (talk) 07:48, 13 October 2008 (UTC)[reply]

OK, I found it in the SEIS list. It's called the Johnsonville impact structure, after the nearest town. It's listed as a probable impact site. After some double-checking, we may want to rename the article to match it. Ikluft (talk) 07:59, 13 October 2008 (UTC)[reply]

Slow response .... renamed per ref. Vsmith (talk) 23:06, 26 November 2011 (UTC)[reply]

Yes, the article should be renamed. Technically speaking, the term impact crater refers only to the topographic, the bowl-shaped landform, that is surface expression of an impact structure. In case of this feature, there is a lack of any actual crater that can be seen at the surface. Thus, at best this feature is an impact structure. Unfortunately both Wikipedia, popular press, and many geologists are quite careless in making the distinction between what is an impact crater and what is an impact structure. Paul H. (talk) 22:34, 11 May 2014 (UTC)[reply]