 | | Book (edition) | | MILEAGE L OGS. REVISED EDITION Revised Edition, COLORADO GEM TRAILS AND MINERAL GUIDE HICllAHD :--1. PEARL...an extensive ¥em and mineral collecting tour 01 Colorado, revealing the interesting places where Nature...Swallow, Publisher) 2679 South York Street Denver, Colorado 80210 - , =· - ·, BOOKS BY RICHARD M. PEARL...Exploring Rocks, Minerals, Fossils in Colorado America's Mountain: Pikes Peak and the Pikes Peak Region...Atlas of Colorado American Gem Trails Nature As Sculptor: A Geologic Interpretation of Colorado . Scenery |  | | Journal (issue) | | P. 0. Box 39100 Lafayette, LA. 70593 California, USA This n otable Australian pegmatite locality has...December 1997 REGIONAL GEOLOGY The Coolgardie area is in the eastern part o f the Yilgarn craton where...trend north-east to south-west in the Coolgardie area. The granitoid rocks can be physica lly subdivided...last period of igneous activity in the Coolgardie area. Thickness 1ra1ii;rJpbic names and rocks Kurrawang...the Coolgard ie pegmatite field. Most of the pegmatites discussed in this report a re inter nally zoned; |  | | Book (edition) | | — _ ; COLORADO GEM TRAILS AND MINERAL GUIDE ! ■ : ' BOOKS BY RICHARD M. PEARL Colorado Gem Trails...Trails and Mineral Guide Colorado Rocks, Minerals, Fossils America’s Mountain: Pikes Peak and the Pikes...Nature As Sculptor: A Geologic Interpretation of Colorado Scenery Guide to Geologic Literature Popular Gemology...Gemology Mineral Collectors Handbook Colorado Gem Trails The Art of Gem Cutting (With Dr. H. C. Dake)...Dake) * RICHARD M. PEARL ★ COLORADO GEM TRAILS AND MINERAL GUIDE ★ SKETCH MAPS BY MIGNON WARDELL PEARL |  | | Report (issue) | | C. A. Michael. COLD NUGGET FROM SPOTSYLVANIA COUNTY: Longest dimension approximately 13 cm., photograph...updated “check list” just alluded to, (2) a county-by-county listing of the minerals, and (3) resumes of...Psiloniclanc Cryptomelanc Gibbsitc Diaspore Goerhite Limonite (Limnite) Spinel Seric Pleonaste Hercynite Picotitc...Crystal) (Amethyst) (Green quartz) (Cairngorm) (Blue quartz) (Rose quartz) (Star quartz) (Chalcedony)...(Haydcnitc) 9 Virginia Mineral Localities by County This list is included for possible aid in planning |  | | Report (issue) | | ____________ Harney Peak granite.__--__--_--____________ Pegmatites _ _____-_-__------__-____,____ Distribution ...sequence____-_--_--________-_____ Relation of pegmatites to the structure of the wall rocks__________________________...73 Big Spar No. 1 by J. W. Adams. ___. _______ 74 Blue Bonnet, Star, and Mica King No. 3 claims byJ. W...Mica Lode No. 2_______________,____ _ 97 Custer Mountain (Skookum) feldspar mine._______ 97 Dakota Feldspar...prospect by W. C. Stoll and L. R. Page. _ Lofton (Mountain Rose Lode) claim by W. C. Stolli Lost Bonanza |
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