| | Report (volume) | deposits of some others, such as clay, coal, and iron ore, are mentioned only in general terms. One material...it helpful to refer to Survey Bulletin 507, "The mining districts of the western United States," and to...abundant, it may have been completely exhausted by mining or quarrying. Deposits of minerals of wide distribution...because they occur in sufficient quantity to warrant mining for their usual products but because they furnish...A. F. Rogers, Stanford University, Palo Alto. Colorado.........Prof. R. D. George, Boulder. Connecticut | | | Report (volume) | ............................................. Colorado........................................................................................ 102 District of Columbia ....................................deposits of some others, such as clay, coal, and iron ore, are mentioned only in general terms. One material...to refer to Geological Survey Bulletin 507, "The mining districts of the western United States," and to...abundant it may have been completely exhausted by mining or quarrying. Deposits of minerals that are widely | | | Book | Department of Geological Sciences Duluth MN 55812-2496 USA grapp@d.umn.edu ISBN: 978-3-540-78593-4 e-ISBN:.... . . . . . . . . . . . . . . . . 64 Outcrops, Mining, and Quarrying . . . . . . . . . . . . . . . ..... . . . . . . . . . . . . . . . . . . . 164 7.6 Iron (Fe) . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . . . 166 7.7 Iron Minerals . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . . . 203 9.3 Iron Oxide Compounds . . . . . . . . . . . . . . . . | | | Book | have been mentioned in historical documents in a paint context, or in research papers dealing with the...but also those from wall paintings, decorative paint and archaeological material, worldwide, without...mineral. 1 Aegirine Amphibole group; Calcium group; Iron group; Magnesium group; Silicates group; Green earth...Kongsberg, Norway, as well as Magnet Cove (Arkansas, USA), Illimaussaq (Greenland) and Kola Peninsula (Russia)...simply to mean any metallic corrosion product. Iron group; Silicates group; Pyroxene group; Augite; | | | Book (edition) | Corporate Drive, Suite 400, Burlington, MA 01803, USA Copyright © 2008 Nicholas Eastaugh, Valentine Walsh...have been mentioned in historical documents in a paint context, or in research papers dealing with the...but also those from wall paintings, decorative paint and archaeological material, worldwide, without...mineral. 7 Aegirine Amphibole group; Calcium group; Iron group; Magnesium group; Silicates group; Green earth...Kongsberg, Norway, as well as Magnet Cove (Arkansas, USA), Illimaussaq (Greenland) and Kola Peninsula (Russia) |
|