| | Journal (issue) | Microminerals from Pegmatites in the Pikes Peak Batholith, Central Colorado Daniel E. Kile Research Associate...Nature & Science 5176 Black Bear Run - Littleton, Colorado 801215 Email: centennial87@comcast.net were sparse...of localities throughout the Pikes Peak batholith in central Colorado, and many of them provide spectacular...Pikes Peak batholith (PPB) in central Colorado. Although some minerals, such as fluorite, hematite, and...Pikes Peak Granite within the Pikes Peak batholith, in an area north of Florissant in Teller County, taken | | | Journal (article/letter/editorial) | December 2012 Flgun 1. View from the summit of Pika Peak looking northwest acro88 the cliff’s of Glen Cove...northeasterly-trending continentul Figure 2. Geologic map of the Colorado Front Range showing the Precambrian metamorphic...formbasin was established in the southeril Pikes Peak Batholith. Adapted by the author from Reed, Bickford...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 | | | Journal (issue) | Gold Mines Middle Buttes Volcanic Complex Kern County, California Allan R. Blaske allan.blaske@gmail...volcanic complex is located in southeastern Kern County, approximately 9 miles southwest of the town of...deposits consisted of kaolinite, alunite, and hematite (advanced argillic type), which was different...Gold Mines, Middle Buttes Volcanic Complex, Kem County, California, Mineral News, Vol. 34, No. 4, April...dome-hosted epithennal precious metal deposit, Kern County, California: Unpub. M.Sc. thesis, Michigan Tech | | | Journal (issue) | 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...An unusual specimen from the Flambeau Mine (Rusk County, Wisconsin) is a sheet copper (figure 6). One of | | | 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."...have been in the Crystal Park area. The largest fine-quality topaz specimens in Colorado occur in several...within the large (1,080 mi ) and well-exposed Pikes Peak batholith. The batholith, slightly more than 1 billion | | | 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? ......................................of Colorado ..................................349 by J. A. Murphy Amazonite from the Pikes Peak batholith...10 cm tall, from the Yucca Hill claim, Park County, Colorado. Richard A. Kosnar specimen; photo by John...invaluable reference which should provide us with crystal draw ings to illustrate articles for centuries | | | 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 (issue) | Nature & Science 5176 Black Bear Run Littleton, Colorado 801215 Email: centennial87@comcast.net texture...a rare hydrous iron oxalate in the monoclinic crystal system, Fe2+(C2O4) ·2H2O. It was named after Friedrich...California (or those identically named in Nevada, Colorado etc.), the series of adits and stopes collectively...exceedingly small (< 1 mm), necessitating optical single-crystal analysis via a petrographic microscope equipped...millimeters. SEM photos were included to elucidate the crystal form for several of the specimens. Three occurrences | | | Journal (issue) | important miner in the Crystal Peak area north of the town of Florissant in Colorado. In addition to being...being a prospector, miner, and operator of the Crystal Peak Gem Mines, he also mentored others who succeeded...including Jerry Hurianek, whose longtime activities in Colorado are documented in t\vo of his unpublished articles...Minerals in 1938 about finding smoky quartz in the Crystal Peak area (Hurianek 1938). Jerry, in turn, passed...mind, among the finest ever collected from the Crystal Peak area. At that time it was offered at $5,000; | | | Journal (issue) | R. Kampf Natural History Museum of Los Angeles County George Robinson National Museums of Canada Arthur...............................203 R. Barnes Pikes Peak Granite......................................217...SPECIMENS from the collection of the Geology Museum, Colorado School of Mines. See page 242 for a full description... All rights reserved. notes fromthej EDITOR COLORADO-III Here we are with our third special issue devoted...devoted to the mines and minerals of Colorado. As most long-time subscribers know, the first in the series | | | Journal (article/letter/editorial) | inch on edge, from the Henderson mine, Clear Creek County. Figure 2 (right). Green fluorite encrusted with...Wilderness area near Columbine Lake, La Plata County; largest crystal measures 1.25 inches on edge; collected... 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) | - - - - - - - - - - - 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...Thompson George Witters Martin Zinn III and Colorado in the :Mineralogical Record Supplement to The | | | Journal (article/letter/editorial) | MINERALOGY OF THE MOUNT ROSA AREA, EL PASO AND TELLER COUNTIES, COLORADO. II. PEGMATITESI EuceNB B. Gnoss, CaliJornia...the Pikes Peak granite and in related alkalic granites in the Mount Rosa area, west of Colorado Springs...Springs. One is the older calc-alkalic Pikes Peak type; the younger is the alkalic Mount Rosa type. The accessory...aluminofluorides. These dikes intrude both the Pikes Peak and its derivative fayaiite granites along northeast-trending...pegmatites contrast markedly with the coexisting Pikes Peak pegmatites, which are characterized by quartz and | | | Journal (issue) | on Amazonite 7.5 cm, from the Smoky Hawk claim, Colorado. Collected by the Dorris family; Tom Spann photo...Bacher; Reinhold Bacher photo. Fluorapatite, 3.3-cm crystal, from the Pulsifer quarry, Maine. Collected by...own favorite experiences is gazing raptly into a crystal pocket just after it has been opened, and all the...classic locality for spectacularly large apophyllite crystal clusters, which still rank as some of the largest...cleaned off the thaumasite to expose the entire crystal. It is free of damage thanks to the protective | | | Book (edition) | — _ ; COLORADO GEM TRAILS AND MINERAL GUIDE ! ■ : ' BOOKS BY RICHARD M. PEARL Colorado Gem Trails...Mineral Guide Colorado Rocks, Minerals, Fossils America’s Mountain: Pikes Peak and the Pikes Peak Region American...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 (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 | | | Journal (article/letter/editorial) | 4). It was hoped that by drilling and blasting, crystal pockets underneath the ledges would be uncovered...of the Crystal Peak area, north of Lake George, Colorado. The claim itself is in Teller County near the...the Park County border. The mine is an open pit with four levelscarved into the hillside. Level 2, where...productive. The Rocket mine is within the Pikes Peak batholith, a Precambrian granite between 1.03 billion...pockets rich in iron minerals, such as goethite and hematite pseudomorphs after siderite. The microcline in | | | Journal (article/letter/editorial) | subconchoidal to uneven fracture. Its luster on crystal faces is usually adamantine because of its high...amounts. Cassiterite pseudomorphs after orthoclase, hematite, bismuthinite, and other unidentified minerals...the Martin prospect and Bennett quarry in Oxford County. Good crystals up to 25 mm have been found with...crystals up to 1 cm at the Gillette quarry, Middlesex County, Connecticut. Cassiterite as small crystalline...Conway Granite north of Moat Mountain, Carroll County, New Hampshire. Good cassiterite specimens, a few | | | 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...Minerals, Fossils in Colorado America's Mountain: Pikes Peak and the Pikes Peak Region Seven Keys to...Atlas of Colorado American Gem Trails Nature As Sculptor: A Geologic Interpretation of Colorado . Scenery | | | Journal (issue) | the regular cavities left by the removal of a crystal from its matrix (molds), since these are voids...preserved, whether this surface be a euhedral crystal form or the irregular bounding surface of an embedded...this be the equal volume replacement of a single crystal or of a rock mass on a geologic scale. The condition...a regular cavity left by the dissolution of a crystal are classed as infiltration pseudomorphs. There...Carolina). Chalcedony after interstices from Chester County, Pa., has been described by Vaux, G., 1935] | | | Book (edition) | methods and by checking their color, hardness, crystal formations, transparency and other characteristics...T'S fun and profitable to hunt gems 1 Typical crystal forms of prominent minerals Characteristics of...by the angles at which their plane surfaces (crystal faces) are placed with respect to one another...lopsided by the de- fun and profitable 3 TYPICAL CRYSTAL FORMS OF PROMINENT MINERALS BERYL CHIASTOLITE... •^^ VESUVIANITE WILLEMITE ZIRCON CRYSTALS Crystal forms 5 velopment of one face into some complex | | | Book (volume) | ...........................................59 Colorado ...............................................................548 Table of Maps Page Alabama County Map ...................................................................................4 Alaska County and Stream Map ......................................................................22 Arizona County Map ................................................................................49 Arkansas County Map .......................................... | | | Journal (issue) | Carlson, Mark J. Elder, Audrey E. Smith P.O. Box 234 Crystal Falls, Michigan 49920 shawncarlson@hotmail.com...Dam gold prospect is located in central Dickinson County, Michigan, approximately ten kilometers north of...the dominant exposed bedrock in this part of the county. Excavated near the tum of the 20th century, the...obvious even when visiting some of the Garland County mines. I also planned to do some Magnet Cove collecting...quartzite bluffs. In 2005, two noteworthy quartz crystal pockets were discovered approximately 210 meters | | | Report (volume) | distinguished by their, physical properties: color, crystal form, cleavage, parting, hardness, specific gravity...important aids in identifying gems. They are: color, crystal form, cleavage, parting, hardness, specific gravity...in most minerals. Most gem stones have certain crystal systems that form under favorable conditions of...particular atomic arrangement results. The six crystal systems in which gem stones may form are: isometric...cleavage, surfaces are parallel to some of the crystal faces of some gem stones. For example, diamonds | | Foord, E. E., Černý, P., Jackson, L. L., Sherman, D. M., Eby, R. K. (1995) Mineralogical and geochemical evolution of micas from miarolitic pegmatites of the anorogenic pikes peak batholith, Colorado. Mineralogy and Petrology, 55 (1) 1-26 doi:10.1007/bf01162576 | Journal (article/letter/editorial) | miarolitic pegmatites of the anorogenic Pikes Peak batholith, Colorado E. E. Foord 1, P. Cern~ z, L. L. Jackson...Mineral Resources, U.S. Geological Survey, Denver, USA Department of Geological Sciences, University of...Denver, USA Branch of Geophysics, U.S. Geological Survey, Denver, USA Topometric, Bedminister, USA With...units of the anorogenic Pikes Peak batholith (1.08-1.02 Ga), Colorado range in composition, and follow...Zusammenfassung Glimmer aus dem Pikes Peak Batholith, Colorado 29 Glimmer aus miarolithischen Pegmatiten |
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Crystal Peak, Teller County, Colorado, USA