 | | Journal (article/letter/editorial) | | New Hampshire Mineral Locality Index Downloaded by [University of Newcastle, Australia] at 15:01 05...entrance and arch of the Palermo mine, North Groton, Grafton County. Rob Lawrence photo, courtesy Bob...Bob Whitmore. 242 ROCKS & MINERALS lthough New Hampshire, the Granite State, is one of our smaller states...reading Jackson (1844) on the mineralogy of New Hampshire that even at this early date there was already...activity produced new localities, renewed some old localities, and resulted in new minerals being discovered |  | | Report (issue) | | Ore Deposits of the Oilman District, Eagle County, Colorado GEOLOGICAL SURVEY Study made in cooperation...1017 Ore Deposits of the Oilman District, Eagle County, Colorado By THOMAS S. LOVERING, OGDEN TWETO, and...1896Ore deposits of the Oilman District, Eagle County, Colorado. (Geological Survey Professional Paper..................................... Minturn and Belden Formations .................. Pando Porphyry .................................... Pre-Belden unconformity ......................... Leadville Dolomite |  | | Journal (article/letter/editorial) | | sandstones of Pennsylvanian–Permian age, Colorado, USA: implications for provenance and metamorphic studies...UniÕersity, 108 Thompson Hall, Manhattan, KS 66506-3201, USA Received 27 October 1998; accepted 12 October 1999...found near the source of the Sangre de Cristo, Belden, and Maroon Formations from central Colorado were...elements, including the REE. The sandstones from the Belden Formation have higher quartzrfeldspar ratios than...order Sangre de Cristo Formation) Maroon Formation) Belden Formation, but the CIWX Žchemical index of weatherings |  | | Report (volume) | | the current-year issues of the monthly catalog "New Publications of the U.S. Geological Survey." Prices...Alaska Distribution Section, U.S. Geological Survey, New Federal Building- Box 12 101 Twelfth Ave., Fairbanks...Alaska--New Federal Bldg., 101 Twelfth Ave. Geology and Geochemistry of the Pitch Uranium Mine Area,... Saguache County, Colorado By j. THOMAS NASH Description and interpretation of the geology and geochemistry...geochemistry of a new type of uranium deposit that occurs chiefly in brecciated dolomite U.S. GEOLOGICAL |  | | Journal (article/letter/editorial) | | TENNESSEE PASS, CO 2161 Molas Fm Belden Fm. I •'• Ter tia•.•Por. Belden •Molas ::::::::::::::::::::...Ore types The gold-rich(> 10 ppm Au) rocksfoundon mine dumpsthroughoutthe TennesseePassdistrictshow two...eralizationeffectsoccur in three stratigraphicin- mine east of Leadville (Tschauder and Landis, tervals...respectively.Anomalousamountsof ing"). In the Elkhorn mine, sandingis mostintense gold are also sporadicallypresent...pyrite-limoniteand quartzamountsof gold are rarely presentin the Belden pyrite-limoniteveinletsare presentwithin the i |  | | Report (issue) | | Limestone (or Dolomite) ................ . Pre-Belden unconformity and Molas Formation ........ . Pennsylvanian...Pennsylvanian and Permian Systems ................. . Belden Formation ............................... . Minturn...5 Photographs: 3. Canyon of the Eagle River at Belden and Gilman . . . . . . . . . . . . . . . . . .............................. -........... 27 10. Belden Formation in roadcut on U.S. Highway 24 . . . .... . . . . . . 35 11. Channeled contact between Belden and Minturn Formations . . . . . . . . . . . . |  | | Report (issue) | | Skinner, EDITOR, Economic Geology, 91-A Yale Station, New Haven, CT 06520 Leadville-type ore (top) with rod-textured...are paralle l to host-rock bedding. Black Cloud mine, Leadville district. Sherman-type ore (bottom) in...cemented or veined with ferroan dolomite. rv1oose mine, North Alma district. Photographs b)' \Villiarn...Carbonate-hosted sulfide deposits of the central Colorado mine ral belt: Introduction, general discussion, and...emphasis on occurrences in th e Black Cloud mine, Lake County, Colorado ........ . .. .. ... .. . .... |  | | Report (issue) | | the current-year issues of the monthly catalog "New Publications of the U.S. Geological Survey." Prices...Alaska Distribution Section, U.S. Geological Survey, New Federal Building - Box 12 101 Twelfth Ave., Fairbanks...Distribution, Bldg. 810, Federal Center FAIRBANKS, Alaska-New Federal Bldg., 101 Twelfth Ave. Geology and Uranium...Saguache County. 2. Geology Colorado Gunnison County. 3. Uranium ores Colorado Saguache County. 4. Uranium...Uranium ores Colorado Gunnison County. I. Title, II. Series: Geological Survey professional paper ; 1457 |  | | Report (issue) | | Dolomite: host for uranium at the Pitch Mine, Saguache County, Colorado by J. Thomas Nash Open-File...location of Pitch Mine.............3 map of the Pitch Mine area.................7 Pitch Mine area...........column in the Pitch Mine area...........5 Petrochemical data for carbonate rocks, Pitch Mine area.........37...Dolomite: host for uranium at the Pitch mine, Saguache County, Colorado by J. Thomas Nash ABSTRACT Newly...Newly documented uranium ore in the Pitch Mine occurs chiefly in brecciated Mississippian Leadville Dolomite |  | | Report (issue) | | of the Bull Gulch Wilderness Study Area, Eagle County, Colorado U.S. GEOLOGICAL SURVEY BULLETIN 1717-C...of the Bull Gulch Wilderness Study Area, Eagle County, Colorado By Sandra J. Soulliere, Mark A. Arnold...of the Bull Gulch Wilderness Study Area, Eagle County, Colorado. (Mineral resources of wilderness study...Gulch (CO-070-430) Wilderness Study Area, Eagle County, Colorado. RESOURCE/RESERVE CLASSIFICATION IDENTIFIED...of the Bull Gulch Wilderness Study Area, Eagle County, Colorado By Sandra J. Soulliere, Mark A. Arnold |  | | Report (issue) | | Roan Mountain, Pisgah National Forest, Mitchell County, North Carolina. Dalea gattingeri, Chickamauga... Catoosa County, Georgia. Round Bald, Pisgah and Cherokee National Forests, Mitchell County, North Carolina...Carolina, and Carter County, Tennessee. Cover photographs, right column, top to bottom: Habitat monitoring...Davidson-Arabia Mountain Nature Preserve, Dekalb County, Georgia. Photograph by Alan M. Cressler, U.S.... Geological Survey. Antioch Bay, Hoke County, North Carolina. Photograph by Lisa Kelly, University of |  | | Report (volume) | | Colorado trough of western Colorado and north-central New Mexico in which he showed the approximate surface...Lake-... Humble Oil & Refining Co. Crosho Lake 1. County Location (seotiontownshiprange) 9-5N-94W 8-5S-81W...northwest, in eastern Rio Blanco County and southeastern Moffat County, a larger number of wells have been...stratigraphic relations and the introduction of new names by different authors. In 1944 Brill (p. 623...Eagle basin. These are, in ascending order, (1) Belden Shale, (2) Minturn Formation, (3) Maroon Formation |  | | Journal (article/letter/editorial) | | COLORADO! Minerals of the Eagle Mine and Gilman District No other mine in Colorado, and few mines in the...superbly crystalized mineral species as the Eagle mine at Gilman, Colorado. Most experienced collectors...pyrite specimens that have been pro duced from this mine over the years, but few are aware of the entire...intended to familiarize the reader with the Eagle mine and the somewhat larger Gilman district (also known...written either by or for the geological staff of the New Jersey Zinc Company, while the remainder of the information |  | | Journal (article/letter/editorial) | | Minerals of the Gilman District and Eagle Mine Eagle County, Colorado WILLIAM J. WARREN JR. Front Range...district, in Eagle County, Colorado, and its premier mineral specimen producer, New Jersey Zinc Company’s...Company’s Eagle mine, are located about 120 kilometers west-southwest of Denver. The Gilman district was originally...The Gilman town site with headframe of the Eagle mine in October 1989. William Warren Jr. photo. Figure...Most, but not all, of these were from the Eagle mine. Aside from its fame as a producer of fine mineral |  | | Journal (issue) | | ...103 by M. Hansen The libethenite zone, Burra mine, South Australia ......................................................................109 What’s New in Minerals? by W. E. W ils o n ...................R. Kampf Natural History Museum of Los Angeles County Arthur Roe Tucson, AZ Abraham Rosenzweig University... notesfrom E D I T C R A NEW MAGAZINE! At the Munich Show this year a new mineral magazine made its...that one has the chance to start a collection of a new and promising journal with volume 1, number 1. Magma |  | | Journal (article/letter/editorial) | | 100 East Boyd Street, Suite 710, Norman, OK 73019, USA Abstract—Nontronite NAu-1 was exposed to moderate...suggesting aluminum mobilized by the dissolution of kaolinite in conjunction with K-saturated smectites results...incorporated following release from decomposed kaolinite. On the other hand, if limited Al is incorporated...remove comingled contaminants such as quartz, kaolinite, biotite, and Fe-oxide phases preceded use in...(Stucki, 2011). No effort was made to remove the kaolinite. The similarity to nontronite in terms of crystal |  | Elliott, W. Crawford, Basu, Ankan, Wampler, J. Marion, Elmore, R. Douglas, Grathoff, Georg H. (2006) Comparison of K-Ar ages of diagenetic illite-smectite to the age of a chemical remanent magnetization (CRM): an example from the Isle of Skye, Scotland. Clays and Clay Minerals, 54 (3) 314-323 doi:10.1346/ccmn.2006.0540303 | Journal (article/letter/editorial) | | University, PO Box 4105, Atlanta, GA 30302-4105, USA School of Earth and Atmospheric Sciences, Georgia...GA 30332, USA 3 School of Geology and Geophysics, Oklahoma University, Norman, OK 73019, USA 4 Department... Portland State University, Portland, OR 97207, USA ÐThe clay fractions of Jurassic marls in the Great...with large percentages (>85%) of illite layers, kaolinite, and generally smaller amounts of chlorite. These...Institute and State University, Blacksburg, VA, USA DOI: 10.1346/CCMN.2006.0540303 Copyright # 2006 |  | | Report (issue) | | clay occurs in trace amounts in all shale units. Kaolinite, the only unaltered detrital clay mineral, occurs...30 percent of the samples. The source of the kaolinite appears to have been to the east and northeast...samples or making them available: A. M. Van Tyne, New York State Geo- logical Survey; R. A. Carlton, Ohio...tested because it was found that small amounts of kaolinite are difficult to recognize when chlorite is also...presence of the (002) peak for kaolinite and the (004) peak for chlorite. Kaolinite, which is coarser grained |  | Lupulescu, Marian V., Bailey, David G., Hawkins, Michael, Carl, James D., Chiarenzelli, Jeffrey R. (2014) The Benson Mines, St. Lawrence County, New York: History of the Discovery, Mining, and Mineralogy of the Deposit. Rocks & Minerals, 89 (2) 118-131 doi:10.1080/00357529.2014.865431 | Journal (article/letter/editorial) | | 16:34 01 January 2015 Benson Mines St. Lawrence County, New York B ENSON MINES is a Grenville-aged (about...located in the Adirondack Mountains, St. Lawrence County, New York. It was mined as an open pit that grew to...MARIAN V. LUPULESCU New York State Museum Research and Collections 3140 CEC Albany, New York 12230 mlupules@mail...Geosciences Department Hamilton College Clinton, New York 13323 dbailey@hamilton.edu MICHAEL HAWKINS...01 January 2015 New York State Museum Research and Collections 3140 CEC Albany, New York 12230 mhawkins@mail |  | | Book (volume) | | chalcedony, jasper and gem petrified wood. BUFFALO COUNTY KEARNEY, area gravel bars and pits along the Platte...townagate, chalcedony, jasper, petrified wood. CASS COUNTY WEEPING WATER, SE, on rd. to Nehawka, in the Snyderville...chalcedony, jasper, fossils. CHERRY COUNTY VALENTINE, in the Sandhills county along the Niobrara R. and Minnechaduza...gem qualityagatized and opalized wood. DAWES COUNTY CHADRON, in N part of Co. and as far W as Crawford...woods, etc. DAWSON COUNTY GOTHENBURG, in sand pitspetrified palm wood. DEUEL COUNTY CHAPPELL, all regional |  | | Book (volume) | | 600 to 800 feet thick in the north. ALEXANDER COUNTY FAYVILLE, area stream gravels⎯agate, jasper, rare...⎯agate, jasper; d RR siding of Clay⎯agate. CALHOUN COUNTY AREA, shores of the Mississippi R., in the Warsaw...crystals). CRAWFORD COUNTY PALESTINE, area deposits⎯Siderite. EDWARDS COUNTY AREA, T. 1 S, R. 10 E...deposits⎯Siderite. FULTON COUNTY FARMINGTON, W 6 mi. on Rte. 116 to the Rapatee No. 5 strip mine⎯pyritized gastropods...gastropods (Pennsylvanian age). GRUNDY COUNTY AREA: c Regional rd. and RR cuts and banks of Mason Cr.⎯fossils; |  | | Book (volume) | | 600 to 800 feet thick in the north. ALEXANDER COUNTY FAYVILLE, area stream gravels⎯agate, jasper, rare...⎯agate, jasper; d RR siding of Clay⎯agate. CALHOUN COUNTY AREA, shores of the Mississippi R., in the Warsaw...crystals). CRAWFORD COUNTY PALESTINE, area deposits⎯Siderite. EDWARDS COUNTY AREA, T. 1 S, R. 10 E...deposits⎯Siderite. FULTON COUNTY FARMINGTON, W 6 mi. on Rte. 116 to the Rapatee No. 5 strip mine⎯pyritized gastropods...gastropods (Pennsylvanian age). GRUNDY COUNTY AREA: c Regional rd. and RR cuts and banks of Mason Cr.⎯fossils; |  | | Book | | localities. My fond hope is that someone of the new generation will take up the challenge of revising...futile effort to reopen the former Chipman silver mine in Newbury. A brief exploratory foray into the Berkshires...companies led to a survey of the former Davis copper mine in Rowe, but that effort was abandoned, according...tantalizing find, one of several mineral discoveries in New England since the 1970s, including gold in a state... enough was found recently to warrant opening a mine. Hon's advice: "It is worth pursuing." Gleba, who |  | | Report (issue) | | the current-year issues of the monthly catalog "New Publications of the U.S. Geological Survey." Prices...Alaska Distribution Section, U.S. Geological Survey, New Federal Building - Box 12 101 Twelfth Ave., Fairbanks...Distribution, Bldg. 810, Federal Center FAIRBANKS, Alaska-New Federal Bldg., 101 Twelfth Ave. Chapter F Gold-bearing...gold-producing mines F8 Mammoth mine F8 Eureka Standard mine F9 North Lily mine F9 Trixie mine F9 Summary F10 References...two-thirds of the Tintic mining district showing mine locations and names, vertical projection of known |  | | Journal (article/letter/editorial) | | in samples composed of less than 3% calcite, and new magnetite is sometimes completely absent in samples...calcite. Hysteresis measurements suggest that the new magnetite is in the pseudo-single domain state. Scanning...Scanning electron microscope studies indicate that the new magnetic carriers are associated with pre-existing...al. [8] and Banerjee et al. [9] showed, for the Belden Formation in Colorado, that magnetite is formed...0 cumulative % 100 0 cumulative % clays kaolinite quartz chlorite calcite illite 100 0 % gain |
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