 | | Journal (article/letter/editorial) | | northwest acro88 the cliff’s of Glen Cove to South Park and the Tarryall Mountains. Researchers have subdivided...northeasterly-trending continentul Figure 2. Geologic map of the Colorado Front Range showing the Precambrian metamorphic...Karistrom 1978; Lanthier 1978). Farther south in Colorado, sediments accumulated in decper-water rocks formed...Survey into “Early, Middle, and Late” Eras. In Colorado we because of the subsequent folding and overthrusting...subduction zone and possibly the creation Era in Colorado and Wyoming of a volcanic island arc. Carpenter |  | | Journal (issue) | | Pegmatites in the Pikes Peak Batholith, Central Colorado Daniel E. Kile Research Associate, Denver Museum...Nature & Science 5176 Black Bear Run - Littleton, Colorado 801215 Email: centennial87@comcast.net were sparse...throughout the Pikes Peak batholith in central Colorado, and many of them provide spectacular thumbnail-...pegmatites in the Pikes Peak batholith (PPB) in central Colorado. Although some minerals, such as fluorite, hematite...batholith, in an area north of Florissant in Teller County, taken prior to the arsoncaused 2002 Hayman fire |  | | Journal (issue) | | 2008 Table of Contents Collecting Minerals in Colorado - Peter Modreski ...........................Pg...Mining Update .......................... Pg. 20 Colorado Fossil Woods - Frank Daniels ...................on collecting minerals in Colorado by Pete Modreski, the informative Colorado petrified wood article by...the magazine so you get your very own copy! Colorado Minerals is the theme of the 2008 Denver Gem and...Sentinel and Specimen Rocks; Crystal Park; Glen Cove; Florissant, Lake George, and Crystal Peak; the Tarryall |  | | Journal (issue) | | cavity. The only locality data was given as Blaine County, Idaho. The specimen was probably from the collection...1995), but found no location of ferberite in Blaine County. So I went Fig. 1 Ferberite showing twinning,... microcrystals, Corral Creek, Camas County, Idaho. Continued on page 9 Denver Shows of 2001 Continued...apophyllite (not of heulandite) from a new find in Custer County, Idaho. These pseudomorphs are quite spectacular...News, P .O. Box 2043, Coeur d'Alene, ID 83816-2043 USA Phone: 208-664-2448 Email: lanny@mineralnews.com |  | | Journal (issue) | | finely powdered obsidian rock obtained from Clear Lake in Oregon. It is used to validate the methods and...abandoned mine sites in the mountains of central Colorado. A unit of SRM 2780a consists of approximately...6 (Right) - Sheet Copper – Flambeau Mine (Rusk County, WI) Figure 2—Dr. Weis’s Personal Memorabilia...Figure 7—Manganoan Calcite – Montreal Mine (Iron County, WI). Figure 3 (left) - “Wonderful World of Agates”...mineral specimens from the Montreal Mine (Iron County, Wisconsin). Most of the specimens came from the |  | | Journal (issue) | | Mineralogical Societies (RMFMS) www.rmfms.org Colorado Springs Mineralogical Society Founded in 1936... Articles in this Issue: CSMS Calendar Pg 2 GOETHITE: MINERAL OF MANY FACES Pg 3 Breckenridge Fieldtrip...by the Micromount Group COLORADO SPRINGS MINERALOGICAL SOCIETY PO BOX 2 COLORADO July 2013 PICK SPRINGS...Geological Time, 9AM-9PM, A Seminar on Petrified Wood, Colorado School of Mines, Museum Conference Room, All day...July 20, 9 a.m. – 5 p.m., Dinosaur Express at the Colorado Railroad Museum, Golden. Dinosaur Ridge will host |  | | Journal (article/letter/editorial) | | CAVITY IN CHEYENNE CANYON, EL PASO COUNTY, COLORADO GARY ZITO Colorado School of Mines, Metallurgical and...Engineering Department, 1500 Illinois St., Golden, Colorado 80401, U.S.A. SARAH L. HANSON§ Adrian College...in a pegmatite in Cheyenne Canyon, El Paso Co., Colorado has an unusual mineral assemblage that includes... Latestage trivalent iron minerals, generally goethite, coat the feldspar, quartz, and sericite. This...pegmatite pocket in Cheyenne Canyon, El Paso County, Colorado. This location is about 2 km north of the |  | | Journal (article/letter/editorial) | | Although Colorado may be most noted for rhodochrosite or amazonite, the many varieties and associations...a k e w o o d , Colorado 80225 DIANNE L. K I L E 333 S a l e m Street Aurora, Colorado 80011 C O L O...and J. A. Mur phy for an update to Minerals of Colorado: A 100-Year Record (Eckel, 1961). 374 ROCKS... Quartz was a familiar gemstone to many early Colorado residents, as documented by an extensive body...body of literature. The first published list of Colorado mineral localities (in cluding quartz) was included |  | | Journal (article/letter/editorial) | | Cryo-Genie mine, San Diego County, California. Natural History Museum of Los Angeles County specimen, Harold and...mine, Gilman, Eagle County, Colorado. Natural History Museum of Los Angeles County specimen, Harold and...Acanthite-argentite, Colorado, 307 Actinolite/tremolite, Michigan, 344 Adularia, Michigan 341 “Alaskaite,” Colorado, 307...395 Allanite-(Ce), California, 162 Allophane, Colorado, 307 Almandine, Connecticut, 261 Almandine-spessartine...Almandine-spessartine, California, 160 Alunite, Colorado, 308 Amblygonite-montebrasite,California, 160 Analcime |  | | Journal (issue) | | Karst: The Crossroads of the Geosciences, by Dr. George Veni, can now be viewed via a link from the main...by Bob Carnein Lake George Gem & Mineral Club News June 2019 Now retired to Colorado, Dr. Carnein was...occur at the Devils Hole mine, in Fremont County, Colorado). More typically, they are on the order of...garnet (dark brown). Devils Hole mine, Fremont County, Colorado. (Carnein photo and collection) page 4 ...Bob Carnein Lake George Gem & Mineral Club Lake George, Colorado (RMFMS) From: Lake George Gem & Mineral |  | | Journal (article/letter/editorial) | | ‘ 1 RAYMOND R. BERRY 7513 Tudor Road Colorado Springs, Colorado 80919 ra yber@peoplepc.com S ince the...the late 1880s the pegmatites of the Pikes P&, Colorado, a m have bean yielding fine specimens of smoky...the variety amazonite). goethite, topaz, and other associated minerals. Goethite inclusions in quartz have...specimens because they are m l y secn and the qusrtz/goethite association does not appear in any list of minerals...penetrating quartz, like mtile, from an island in Lake Onega, Russia.” Much to the dismay of some mineralogists |  | | Journal (article/letter/editorial) | | Two Point claim, Pikes Peak batholith, Teller County. The Collector’s Edge specimen, Jeff Scovil photo...Mail Stop 150, Box 25046 Federal Center Denver, Colorado 80225 pmodreski@usgs.gov C olorado is, of course...been written as guides to mineral collecting in Colorado. A classic, which went through three major editions...1951 version with a slightly different title), is Colorado Gem Trails and Mineral Guide, by Pearl (1951,...up-to-date guidebook to the state’s minerals is Colorado Rockhounding, by Voynick (1994). Other published |  | | Journal (article/letter/editorial) | | 10:40 30 December 2014 GODSEND CLAIM, LAKE GEORGE, COLORADO Figure 1. View of the terrible damage caused...photo. RAYMOND R. BERRY 7513 Tudor Road Colorado Springs, Colorado 80919 rayber@peoplepc.com Figrtre 5....4314 Woodland Park, Colorado 80866 Raymond R. Berry is an active member of the Colorado Springs Mineralogical...Mineralogical Society and the Colorado Chapter of Friends of Mineralogy. His most recent article for Rocks...Rocks & Minerals was titled “Goethite Inclusions in Quartz from the Pikes Peak Granite” and appeared in |  | | Journal (article/letter/editorial) | | COLORADO TOPAZ Topaz, Al Si0 (F,OH) is one of Colorado's better known gem minerals. Though Col orado...(PJM), 975 (TCM) Box 25046, Federal Center Denver, Colorado 80225-0046 A ccording to Cross and Hillebrand...discovery of Colorado topaz was made about 1880 by a Mr. Thiebald,* "a prospector of Colorado Springs."...been in the Crystal Park area. The largest fine-quality topaz specimens in Colorado occur in several separate...different publications; the correct name is Thiebaud (George White 1996, pers. com.). 306 ROCKS & MINERALS |  | | Journal (issue) | | Colorado Springs Mineralogical Society Founded in 1936 Lazard Cahn Honorary President July 2017 PICK&PACK...Pg13 Brad’s Bench Tips Pg13 Classifieds Pg15 Colorado Springs CO 80918 Please note: Attendance is limited...issue. Thank you! COLORADO SPRINGS MINERALOGICAL SOCIETY PO BOX 2 COLORADO SPRINGS, COLORADO 80901-0002 July...YMCA is located at 2380 Montebello Drive West in Colorado Springs. For more information on any of the sub-groups...multi-day event at the Bear Basin Ranch in southern Colorado, south of Canon City. “Gary Ziegler, ranch owner |  | | Journal (article/letter/editorial) | | MIAROLITIC CAVITIES OF THE PIKES PEAK BATHOLITH, COLORADO DANIEL E. KILE§ U.S. Geological Survey, 3215 Marine...Marine Street, Suite E–127, Boulder, Colorado, 80303, U.S.A. ABSTRACT Clay samples from 105 cavities...pegmatites throughout the Pikes Peak batholith, in Colorado, were analyzed by powder X-ray diffraction (XRD)...pegmatite, clay minerals, Pikes Peak batholith, Colorado. SOMMAIRE Des échantillons provenant de 105 cavités...part et dʼautre du batholite de Pikes Peak, au Colorado, ont été analysés par diffraction X (méthode des |  | | Journal (issue) | | - - - - - - - - - - - Mineral Collections 1n Colorado A Supplement to The Mineralogical Record November-December..."Smithsonian packet," Smoky Hawk claim, Florissant, Colorado. Collected in 2008; Dorris Family collection;...certificates for mines in the Cripple Creek District, Colorado, in 1898 and 1901. Sponsorship: This special supplement...Collecting in Colorado The Collections: Mel & Pam Bersch Ryan Bowling Ralph Clark Colorado School of Mines...Dorris) Jack & Kaye Thompson George Witters Martin Zinn III and Colorado in the :Mineralogical Record |  | | Journal (article/letter/editorial) | | and one from southern California (Byron Weege, George Morgan, and Bill and Jonina Pogue) banded together... north of Lake George, Colorado. The claim itself is in Teller County near the Park County border. The...encountered pockets rich in iron minerals, such as goethite and hematite pseudomorphs after siderite. The...recovered. Fewer of the secondary minerals, such as goethite, were found in these pockets. Fluorite was encountered...pattern emerging as to color or crystal form. PARK CO.ITELLER CO. I I CRYSTAL PEAK Figure 2. Location |  | | Journal (article/letter/editorial) | | Variety Amazonite Yucca Hill Prospect, Park County, Colorado T H I S I S S U E ' S C O N N O I S S E...district, California; the general Pikes Peak area of Colorado; gem pegmatites of the New England states; and...the Pikes Peak region of Colorado and include sites in Douglas, E l Paso, Park, and Teller counties. A...A review of the more im portant Colorado amazonite localities is given by Eckel (1961), and a complete...Richard Kosner at the Yuc ca Hill prospect, Park County, Colorado. The specimen was in Kosner's personal collection |  | | Journal (article/letter/editorial) | | inch on edge, from the Henderson mine, Clear Creek County. Figure 2 (right). Green fluorite encrusted with...Mountain Wilderness area near Columbine Lake, La Plata County; largest crystal measures 1.25 inches on... FLUORITE BARBARA L. MUNTYAN Ouray County Museum Ouray, Colorado 81427 Mineral photographs by John R...locations in Mexico; in Elmwood, Smith County, Tennessee, and in Hardin County, Illinois, in the United States;...eastern Russia. It also occurs in many localities in Colorado, where it is found in colors ranging from pale |  | | Journal (issue) | | the Emma Mine, Little Cottonwood District, Salt Lake Co., Utah. In most locations, tungstenite occurs...News, P.O. Box 2043, Coeur d'Alene, ID 83816-2043 USA Phone: 208-664-2448 • 3 E-mail: lream@comtch.iea...longer possible and there really is no place to park in the immediate area. Best bet is to have a non-collecting...V anadiun1 l\'line, l\fagnet Cove, Hot Springs County, Arkansas is Reclaimed and Collecting Ceases...collected. The vanadium ore which occurred in goethite was dull and very uninspiring. Minute brookites |  | | Other Paper | | G•ologica.l Survey Deaver Fedoral Ce�ter Lakewood, Colorado 80225 a..nd Robert F. Ma.rtin Dept. of Geologic�l...amazoni te. The first description of amazonite from Colorado appears to have been that of Hollister (1867)...development of the ar�a. • Crystals and specimens of Colorado amazonite are among the finest ·in the world1... Such The occurrences of such amazonite in Colorado are world-famous. Numerous articles have been...intrusive centers, (1) Pikes Peak, (2 ) Lost Park, a�d (3) Buffalo Park (fig.-5 of Hutchinson, 1976). Pegmatites |  | | Journal (issue) | | Julius Weber Mamaroneck, New York COLORADO ISSUE #2 Articles Colorado locality index.............................. 323 by B. L. Muntyan What’s new in Colorado minerals? ......................................339 by M. I. Jacobson The San Juan Mountains of Colorado ..................................349 by J. A...10 cm tall, from the Yucca Hill claim, Park County, Colorado. Richard A. Kosnar specimen; photo by John...Natural History for conceiving the idea of a second Colorado issue and for helping a great deal in bringing |  | | Journal (issue) | | Our Lucky Monday – a great collecting story Colorado, USA J. Scovil photo. Issue #6 The Collector’s...from Lucky Monday pocket, Smoky Hawk claim, Colorado, USA. 8.2 cm in length. Spirifer collection. amazonite...Editors: Paul Cragan (USA John Veevaert (USA) Associated Photographer: Jeff Scovil (USA) Contact: tom@spiriferminerals...amazonite with smoky quartz pocket ever found in Colorado – the Lucky Monday pocket. LOCALITY AND GEOLOGY...National Forest, 32 km northwest of Pikes Peak, Colorado at an ele- matite dikes. It is within these dikes |  | | Journal (issue) | | Colorado Springs Mineralogical Society Founded in 1936 Lazard Cahn Honorary President June 2017 PICK&PACK...care of a collection. Where to find minerals in Colorado, and what minerals is our state most noted for...1979 with the U.S. Geological Survey, Lakewood, Colorado. He has a B.A. (chemistry) from Rutgers College...interests include mineralogy, gemstones, luminescence, Colorado geology, ore deposits, pegmatites, meteorites...the USGS. Pete was a co-author of Minerals of Colorado (1997) and he is a Consulting Editor of Rocks |
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Lakeview Lode II Mine, Steven's Ranch, Lake George, Park County, Colorado, USA