Talk:Grand Mesa: Difference between revisions

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Llano Estacado?

The Llano Estacado is a mesa according to its article. It dwarfs the Grand Mesa. Is there a good reason to not call the Llano Estacado the largest mesa in North America?--Dwane E Anderson (talk) 01:27, 13 December 2008 (UTC)[reply]

I question the wording of the current version that "This volcanic layer, created during the birth of the modern Rocky Mountains approximately 30 million years ago, suppressed erosion compared to the surrounding sedimentary rock layers..." It has commonly been stated in the local area, for many years, that there was a basalt flow through fissures ~10 million years ago that created the modern layer of basalt that caps the Grand Mesa. It is more believable that the basalt is 10 million rather than 30 million years old. Please comment, professional geologist or peer-reviewed literature comments wanted and needed. Jack B108 (talk) 20:02, 11 August 2009 (UTC)[reply]

Revision as of 01:27, 13 December 2008 edit Dwane E Anderson (talk \| contribs) 187 edits →Llano Estacado?: new section ← Previous edit		Revision as of 20:02, 11 August 2009 edit undo Jack B108 (talk \| contribs) Extended confirmed users 1,158 edits age of basalt 30 MY? Next edit →
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	The [[Llano Estacado]] is a mesa according to its article. It dwarfs the Grand Mesa. Is there a good reason to not call the Llano Estacado the largest mesa in North America?--[[User:Dwane E Anderson\|Dwane E Anderson]] ([[User talk:Dwane E Anderson\|talk]]) 01:27, 13 December 2008 (UTC)		The [[Llano Estacado]] is a mesa according to its article. It dwarfs the Grand Mesa. Is there a good reason to not call the Llano Estacado the largest mesa in North America?--[[User:Dwane E Anderson\|Dwane E Anderson]] ([[User talk:Dwane E Anderson\|talk]]) 01:27, 13 December 2008 (UTC)

			I question the wording of the current version that "This volcanic layer, created during the birth of the modern Rocky Mountains approximately 30 million years ago, suppressed erosion compared to the surrounding sedimentary rock layers..." It has commonly been stated in the local area, for many years, that there was a basalt flow through fissures ~10 million years ago that created the modern layer of basalt that caps the Grand Mesa. It is more believable that the basalt is 10 million rather than 30 million years old. Please comment, professional geologist or peer-reviewed literature comments wanted and needed. [[User:Jack B108\|Jack B108]] ([[User talk:Jack B108\|talk]]) 20:02, 11 August 2009 (UTC)