 | | Journal (issue) | | Colorado Springs Mineralogical Society Founded in 1936 December 2015 PICK&PACK Vol 55 .... Number 10...Mark Lemesany COLORADO MINERALOGICAL SOCIETYPICK PO BOX 2 COLORADO SPRINGS, COLORADO 80901-0002 December...Senior Center is located at 1514 North Hancock in Colorado Springs. For more information on any of the sub-groups...combined with the gem & mineral show); Boulder County Fairgrounds, Exhibit Building, 9595 Nelson Rd....Modreski on âColorado Mineral Collectingâ at 3 p.m. on Sunday. Thurs., Dec. 17, 6:00 p.m., Colorado Scientific |  | | Journal (article/letter/editorial) | | 2000 Lakeshore Drive, New Orleans, Louisiana 70148, USA Sarah L. HANSON Geology Department, Adrian College... 110 S. Madison Street, Adrian, Michigan 49221, USA Alexander U. FALSTER and Karen L.WEBBER Department...2000 Lakeshore Drive, New Orleans, Louisiana 70148, USA Abstract Pegmatites enriched in the rare-earth elements...along a southwestern trend from Wisconsin through Colorado to Arizona. Four widely geographically spaced...South Platte (SP), in Colorado, circa 1.6 Ga Trout Creek Pass (TCP), also in Colorado, and circa 1.5 Ga Mojave |  | | Book (edition) | | â _ ; COLORADO GEM TRAILS AND MINERAL GUIDE ! â : ' BOOKS BY RICHARD M. PEARL Colorado Gem Trails...Trails and Mineral Guide Colorado Rocks, Minerals, Fossils Americaâs 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 â
COLORADO GEM TRAILS AND MINERAL GUIDE â
SKETCH MAPS BY MIGNON WARDELL PEARL |  | | Book (edition) | | COLO RAD O GEM T RAILS t.lilky quartz crystals, Ow-ay. Katherine H . Jensen. AND MINERAL GUID E RICHARD...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...PEARL Exploring Rocks, Minerals, Fossils in Colorado America's Mountain: Pikes Peak and the Pikes Peak |  | | Journal (article/letter/editorial) | | Abbreviations: xl- -crystal COLORADOâAn attractive specimen of rose quartz was recently sent in by Ralph...Its label reads: "Rose quartz. Clora May Mine, Trout Creek Pass, Chaffee County, Colo." The locality is...Richard M. Pearl's "Colorado Gem Trails and Mineral Guide" p. 109 as follows: "The Clora May quarry stands...Abundant white quartz float lies on the steep slope of the hill. The country rock is a dark quartz-mica schist...minerals of interest are euxenite, allanite, and rose quartz, the last of which is abundant, some of it being |  | | Journal (article/letter/editorial) | | FROM T H E THIRTEENTH L A K E QUADRANGLE, WARREN COUNTY, NEW Y O R K . V. H. Collins and J. S. Collins...Schaller, W. T . 1932. Serendibite from War ren County, New York and its paragenesis. Amer. Min. 17:457-465...R I T E IN T H E LOCKPORT FORMATION I N MADISON COUNTY, NEW Y O R K . W. P. Dossert and S. C. Chamberlain...rhombohedra of dolomite, and transparent, pris matic quartz crystallized concurrently. Phase 3 included Volume...result of intermittent mineralizing processes that may have occurred over a very long period of geological |  | | Journal (issue) | | Colorado Springs Mineralogical Society Founded in 1936 July 2015 PICK&PACK Vol 55 ...... Number 6 Inside...Jacobson Topic: Pegmatitic Rare-earth Minerals of Colorado: Species and Identification Refreshments provided...Friends of Mineralogy, Colorado Chapter. Mark has collected rare earth minerals in Colorado, Texas, Wyoming...Minerals of Colorado: Species and Identification Most of the pegmatitic rare-earth minerals in Colorado are found...Jefferson County; St. Peters Dome district, El Paso County, Trout Creek Pass district, Chaffee County, and |  | | Report (volume) | | Minerals of Colorado: A 100- Year Record By EDWIN B. ECKEL GEOLOGICAL SURVEY BULLETIN 1 1 14 A...knowledge____________________________________ Future of Colorado mineralogy______________________________________...mineral localities and metallic mineral deposits of Colorado ________________________________ In pocket III...mineral localities and metallic mineral deposits of Colorado, has not been included in this reprint. Many of...especially Fischer and others, 1946). MINERALS OF COLORADO: A 100-YEAR RECORD By EDWIN B. EcKEL ABSTRACT |  | | Book (volume) | | ...........................................59 Colorado ...............................................................548 Table of Maps Page Alabama County Map ...................................................................................4 Alaska County and Stream Map ......................................................................22 Arizona County Map ..................................................................45 Arizona â Yuma Co. Hull Mine Site Map ...................................... |  | | Book (volume) | | ...........................................47 Colorado ..............................................................................458 Appendix B - Quartz Family Gemstones ................................rights, so remember you were told. If in doubt, a county map will tell you who the legal owner is. Good...includes granites, schists (mica, garnet, graphite, quartz), and gneisses, as well as numerous granite pegmatites...own gold rush, largely unprofitable, although gold may still be panned in the regional streams. Most of |  | | Book (volume) | | ...........................................47 Colorado ..............................................................................460 Appendix B - Quartz Family Gemstones ................................rights, so remember you were told. If in doubt, a county map will tell you who the legal owner is. Good...includes granites, schists (mica, garnet, graphite, quartz), and gneisses, as well as numerous granite pegmatites...own gold rush, largely unprofitable, although gold may still be panned in the regional streams. Most of |  | SĂĄnchez-Muñoz, Luis, MĂŒller, Axel, AndrĂ©s, Sol LĂłpez, Martin, Robert F., Modreski, Peter J., de Moura, Odulio J.M. (2017) The PâFe diagram for K-feldspars: A preliminary approach in the discrimination of pegmatites. Lithos, 272. 116-127 doi:10.1016/j.lithos.2016.10.030 | Journal (article/letter/editorial) | | Please note that during the production process errors may be discovered which could aïŹect the content, and...Geological Survey, Federal Center Denver, CO 80225-0046, USA. AC CE P ABSTRACT Governador Valadares, Minas...petrological features, such as the abundance of quartz, feldspars, micas and phosphates. Group I is represented...most cases with hypersolvus feldspars, devoid of quartz and with minor biotite, which are common in rift...relatively flux-poor, silica-rich pegmatites with quartz, subsolvus feldspars and biotite as major primary |  | Collins, Donley S., Cobban, Robert R., Foord, Eugene E., Murphy, Jack A. (1989) Bibliography for update and revision of U.S.G.S. Bulletin 1114, Minerals of Colorado -- a 100 year record, by Edwin B. Eckel, Part A - Paper copy --Bibliography data file disks. Open-File Report Vol. 1989 (89-206) US Geological Survey doi:10.3133/ofr89206a | Report (issue) | | Survey Denver, Colorado Department of Geology, Denver Museum of Natural History Denver, Colorado NOTE FOR...revision of U.S.G.S. Bulletin 1114, Minerals of Colorado A 100 year record, by Edwin B. Eckel By Donley...Prepared in cooperation with Friends of Mineralogy - Colorado Chaptar, and the Denver Museum of Natural History...references dealing with the mineralogy of the state of Colorado. It is part of a more than 10 year effort to update...and revise U.S.G.S. Bulletin 1114, Minerals of Colorado: A 100 year record, by Edwin B. Eckel (1961). |  | | Report (issue) | | Series 30 Bibliography and Index of Colorado Geology, 1984-1989 Colorado Geological Survey Department of...Resources Denver, Colorado 1990 Information Series 30 Bibliography and Index of Colorado Geology, 1984-1989...Institute under contract to the Colorado Geological Survey Colorado Geological Survey Department of...of Natural Resources Denver, Colorado 1990 ii FOREWORD In recognition of the need to more effectively...published literature on the state's geology, the Colorado Geological Survey is pleased to release Information |  | | Journal (issue) | | Project 28-30 Our Affiliates 31 Mimetite, Ojuela mine, Mapimi, Mexico, 2.4 x 1.8 x 1.7 cm, Alex Schauss...experiencing remnants of winter while the rest of the county can feel spring in the air. This means itâs time...vanegas3@charter.net CHAPTER PRESIDENTS (ALSO BOARD MEMBERS) COLORADO CHAPTER: Mark Jacobson; markivanjacobson@gmail...MINERALOGY Vol.46, No.2 Page 5 Compliments of the Colorado Chapter Newsletter: Get it While You Can: the...answer that question and show you why the Milpillas mine is one of the great contemporary mineral localities |  | | Report (issue) | | ....... Preliminary grade and tonnage model of quartz veins and pegmatites (13g) ......................Country codes for the deposits listed in this report may be found in Appendix A. Model numbers refer to the...polymetallic veins (Bliss and Cox, 1986) or low-sulfide Au-quartz veins (Bliss, 1986). However, some deposits as...and not drilled ore bodies) and production figures may be incomplete. For some deposits, the exact physical...nature of a deposit is not known. Some deposits may be single lenses or veins; others could be groups |  | | Book (volume) | | SOUTHWESTERN QUADRANT Arizona, Arkansas, California, Colorado, Louisiana, Nevada, New Mexico, Oklahoma, Texas...Southwestern Quadrant Arizoni, Arkansas, California, Colorado, Louisicna, Nevada, New Mexico, Oklahoma, Texas...1987, 2000 by Allan W. Eckert No part of this book may be reproduced or transmitted in any form or by any...Location Numbers Arizona Arkansas California Colorado 258 Louis B30 ana HOW TO USE THIS BOOK...volumes, through very precise directions and accurate county maps, to get you to the best and most accessible |  | | Book (edition) | | MARIN COUNTY FREE LIBRARY 3 1111 00289 4184 \ I s Fifth Revised Edition A complete, state-by-state...Diamond M Tourmaline fQl Ruby, O Sapphire Quartz crystal 'y^ Garnet â Azu rite, Malachite, Chrysocolla...Maryland; Professor Richard Pearl of Colorado Springs, Colorado; and Professor Jack Hanahan of Belmont...while pursuing the quest for rocks. Wherever it may take him in this inexhaustible land, he will find...or, perhaps, a pyramid of smoky quartz from Cumberland. The next it may be rock crystal from Madagascar |  | | Book | | HfiRIN COUNTY FREE LIBRfiRY 311110G386652Q I V Russell P MacFal A COLOR TREASUF FOR COLLECTORS...it a veritable not just a picof informa- is mine tion, telling everything the collector needs to...localities in North America where gem specimens may be found. Interspersed throughout this section are...photographs of minerals in color, manv of which may be found by the searches. (continued on back flap)...AUG 4 FEB DATE DUE 1 19?7, (jr.- ;i DEC MAY 3 1977 1 ^j 0,. - rJUlt . ,V 12 DEC > | | | Book | | not just a picture book. Rather, it is a veritable mine of information, telling everything the collector...localities in North Am erica where gem specimens may be fou nd. Interspersed throughout this section are...photographs of minerals in color, manv of which may be found by th e collectn · ,, , his searches. (continued...carefully among debris fa llen from the same bank. he may come across an excel lent specimen of the same material...friends who will make up the party Among them there may be one who Is familiar with the area you re planning |  | SANCHEZ-MUNOZ, L., GARCIA-GUINEA, J., ZAGORSKY, V. Y., JUWONO, T., MODRESKI, P. J., CREMADES, A., VAN TENDELOO, G., de MOURA, O. J. M. (2012) THE EVOLUTION OF TWIN PATTERNS IN PERTHITIC K-FELDSPAR FROM GRANITIC PEGMATITES. The Canadian Mineralogist, 50 (4) 989-1024 doi:10.3749/canmin.50.4.989 | Journal (article/letter/editorial) | | 32306-4120, USA Peter J. MODRESKI U.S. Geological Survey, Federal Center Denver, Colorado 80225-0046, USA Ana...(size of the order of magnitude 100 mm, but they may be more than 1 mm wide) commonly running roughly...âidealâ crystals. Simple ârealâ crystals (like quartz, halite or calcite) can be described by referring...of the Rabb Park pegmatite complex in New Mexico, USA (OâBrient 1986, Keefer & Brown 1978). Starting from...Low microcline 8a, 8b, 8c, 8d 6a, 6b Vyuntspakh mine, Kola Peninsula, Russia KOL-39 Low microcline |  | | Book (edition) | | contained herein or for any errors or omissions that may have been made. Printed on acid-free paper Springer...nofehâ [aquamarine], sappir [sapphire], and yahalom [quartz]. The third row: leshem [lapis lazuli], shevo [amethyst]...fundamental knowledge of minerals and materials and may be practically used. The Book is arranged as follows...artificially activated by potential impurities, which may serve as emission centres. The following luminescence...describes of laser-induced spectroscopies, which may be used in combination with laser-induced luminescence |
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