 | | 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 |  | | Journal (article/letter/editorial) | | Littleton, Colorado 80125 dkile4@comcast.net Albite and Microcline From the Crystal Peak Area Teller County...County, Colorado A MYSTERY REVISITED F or many years collectors have recovered microcline and albite (variety...of a biotite/Fe-zinnwaldite crystal from the Crystal Peak area, Teller County, Colorado; this crystal was...Crystal Peak area north of Florissant in Teller County, Colorado. The contents of this find were among the...throughout the Lake George ring complex (LGR) north of Florissant and Lake George in Teller and Park counties |  | | Journal (article/letter/editorial) | | Photo courtesy Geology Museum, Colorado School of Mines. Downloaded by [University of Florida] at 07:14...Museum, Colorado School of Mines, 1310 Maple Street, Golden, Colorado. GOLDEN INVITATION The Colorado School...School of Mines Geology Museum (CSMGM), in Golden, Colorado, invites all those in town for the Denver Gem...from our Meissner collection, and a display of Colorado calcites from various col- lectors. Other tentative...another soothing performance by the melodious Colorado School of Mines String Quartet. We hope to see |  | | 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) | | 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 |  | Brigatti, Maria Franca, Lugli, Cristina, Poppi, Luciano, Foord, Eugene E., Kile, Daniel E. (2000) Crystal chemical variations in Li- and Fe-rich micas from Pikes Peak batholith (central Colorado) American Mineralogist, 85 (9) 1275-1286 doi:10.2138/am-2000-8-920 | Journal (article/letter/editorial) | | Fe-rich micas from Pikes Peak batholith (central Colorado) MARIA FRANCA BRIGATTI,*,1 CRISTINA LUGLI,1 LUCIANO...Italy 2 United States Geological Survey, Denver, Colorado 80225, U.S.A. ABSTRACT The crystal structure...Precambrian, anorogenic Pikes Peak batholith, central Colorado, were determined by single-crystal X-ray diffraction...Peak batholith (PPB), central Colorado. The PPB is a result of a complex magmatic history of crystallization...layers. Hetero-trioctahedral Li-rich micas1M (zinnwaldite-1M) refined by Guggenheim and Bailey (1977) and |  | | Journal (article/letter/editorial) | | miarolitic cavities in the Lake George ring complex and vicinity, Colorado DANIEL E. KILE* AND D.D. EBERL...Geological Survey, 3215 Marine Street, Boulder, Colorado, 80303-1066, U.S.A ABSTRACT The Crystal Peak...of the Pikes Peak batholith, near Lake George in central Colorado, is world-renowned for its crystals...miarolitic cavities in the Crystal Peak area in central Colorado. Finding the crystal growth mechanism may be the...exposed over an area of about 5000 km2 in central Colorado. It is a Precambrian, anorogenic, epizonal intrusive |  | | Journal (article/letter/editorial) | | miarolitic cavities in the Lake George ring complex and vicinity, Colorado DANIEL E. KILE* AND D.D. EBERL...Geological Survey, 3215 Marine Street, Boulder, Colorado, 80303-1066, U.S.A ABSTRACT The Crystal Peak...of the Pikes Peak batholith, near Lake George in central Colorado, is world-renowned for its crystals...miarolitic cavities in the Crystal Peak area in central Colorado. Finding the crystal growth mechanism may be the...exposed over an area of about 5000 km2 in central Colorado. It is a Precambrian, anorogenic, epizonal intrusive |  | | 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."...area. The largest fine-quality topaz specimens in Colorado occur in several separate and distinct localities...different publications; the correct name is Thiebaud (George White 1996, pers. com.). 306 ROCKS & MINERALS |  | | Journal (article/letter/editorial) | | Pocket, Two Point claim, Pikes Peak batholith, Teller County. The Collector’s Edge specimen, Jeff Scovil...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) | | lpoppi@unimo.it 2United States Geological Survey, Denver, Colorado, 80225, U.S.A., e-mail: dekile@usgs.gov Abstract:...pegmatites of the anorogenic Pikes Peak batholith (Colorado) to characterize the crystal chemistry and relations...muscovite-polylithioniteÏ annite (Cerný & Burt, 1984) exhibit complex patterns of long-range octahedral order and an...However, the refinement of a 2M1 polytype (“zinnwaldite-2M1”), in the space group Cc (Rieder et al.,...pegmatites of the anorogenic Pikes Peak batholith (Colorado). Sample 6 is a lithian siderophyllite collected |  | | 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 |
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