Bulletin Volume 669 download pdf
Bulletin Volume 669 download pdf
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Author: Geological Survey
Number of Pages: 90 pages
Published Date: 01 May 2012
Publisher: Rarebooksclub.com
Publication Country: Miami Fl, United States
Language: English
Type: eBook
ISBN: 9781235960079
File size: 39 Mb
File Name: Bulletin.Volume.669.pdf
Download Link: Bulletin Volume 669
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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1919 Excerpt: ...square miles. The valley is traversed by two railroads, the Panhandle division of the Santa Fe system and the New Mexico Central Railroad, both of which pass near the salt basin. GEOLOGY. West of the valley are the Manzano Mountains, a high range composed largely of metamorphic rocks, including schists and quartzites, with associated masses of granite and other igneous rocks. This range forms a sharp divide between the Estancia and the Rio Grande basins. On the east are the Hills of Pedernal, made up principally of quartzite. Mesas and isolated mountains form the north rim of the valley, and the Mesa Jumanes bounds it on the south. EXTENT OP THE ANCIENT LAKE. At the period of its greatest extension the lake that occupied the central portion of the valley was about 35 miles long and 23 miles wide; its area was approximately 450 square miles. Its maximum depth at this period was about 150 feet, and its shore line, winch nearly coincides with the 6,200-foot contour, was about 150 miles long. If the ancient lake were now in existence several of the villages in this region would be under water. The evidence of the existence of the ancient lake in this valley consists of shore features and lake sediments. CHARACTER AND EXTENT OP THE DEPOSITS. The salt basins in the Estancia Valley are not remnants of the ancient lake but are rather distinct basins sunk below the level of the plain by which they are surrounded, and most of them are bordered by definite and nearly vertical walls. Their flat bottoms coincide practically with the ground-water level and consist of mud covered with crusts of salt, but after rains they may be covered with water. The floor of one basin--Salt Lake (Laguna Salina)--is covered with salt sufficiently thick and pure to be commercially valuabl...
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Bulletin Volume 669 by Geological Survey
Author: Geological Survey
Number of Pages: 90 pages
Published Date: 01 May 2012
Publisher: Rarebooksclub.com
Publication Country: Miami Fl, United States
Language: English
Type: eBook
ISBN: 9781235960079
File size: 39 Mb
File Name: Bulletin.Volume.669.pdf
Download Link: Bulletin Volume 669
---------------------------------------------------------------
This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1919 Excerpt: ...square miles. The valley is traversed by two railroads, the Panhandle division of the Santa Fe system and the New Mexico Central Railroad, both of which pass near the salt basin. GEOLOGY. West of the valley are the Manzano Mountains, a high range composed largely of metamorphic rocks, including schists and quartzites, with associated masses of granite and other igneous rocks. This range forms a sharp divide between the Estancia and the Rio Grande basins. On the east are the Hills of Pedernal, made up principally of quartzite. Mesas and isolated mountains form the north rim of the valley, and the Mesa Jumanes bounds it on the south. EXTENT OP THE ANCIENT LAKE. At the period of its greatest extension the lake that occupied the central portion of the valley was about 35 miles long and 23 miles wide; its area was approximately 450 square miles. Its maximum depth at this period was about 150 feet, and its shore line, winch nearly coincides with the 6,200-foot contour, was about 150 miles long. If the ancient lake were now in existence several of the villages in this region would be under water. The evidence of the existence of the ancient lake in this valley consists of shore features and lake sediments. CHARACTER AND EXTENT OP THE DEPOSITS. The salt basins in the Estancia Valley are not remnants of the ancient lake but are rather distinct basins sunk below the level of the plain by which they are surrounded, and most of them are bordered by definite and nearly vertical walls. Their flat bottoms coincide practically with the ground-water level and consist of mud covered with crusts of salt, but after rains they may be covered with water. The floor of one basin--Salt Lake (Laguna Salina)--is covered with salt sufficiently thick and pure to be commercially valuabl...
Read online Bulletin Volume 669 Buy Bulletin Volume 669 Download and read Bulletin Volume 669 ebook, pdf, djvu, epub, mobi, fb2, zip, rar, torrent Download to iPad/iPhone/iOS, B&N nook Bulletin Volume 669 ebook, pdf, djvu, epub, mobi, fb2, zip, rar, torrent
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