 | | Journal (article/letter/editorial) | | Texas mineral locality INDEX Whereas Texas is well known for its vastness, cattle industry, and oil...I T S T O P O G R A P H Y A N D G E O L O G Y , Texas, the second largest state, has produced relatively...famous localities. A s this article will show, Texas has had—or currently has—nu merous mineral occurrences...produce good specimens; yet when specimens from Texas are sought in collections and dealers' stocks, few...some basic facts that help explain the situation. Texas has very little federal land in its mineralized |  | | Journal (article/letter/editorial) | | about 35 miles northwest of Flagstaff, in Coconino County, a pineforested volcanic area. The elevation is...in California recently I visited the Los Angeles County Museum in Los Angeles to see the famous collection...in Los Angeles can walk across the lawn to the County Museum for another thrill—the display of some of...mineral species (goethite, rutile, tremolite, actinolite. chrysotile, epidote and tourmaline); a beautiful...weekends. "At a mine east of Leadville (Lake Co.). Colo., almost at the end of Lake County, I found a specimen |  | | Report (issue) | | ..........................................60 Texas ...........................................................66 Southern and central Appalachian Mountains, Introduction .........68 Alabama ...........................................101 Appalachian Mountains in New England, Introduction ..............102...14, 15 2. Geologic sketch map of the Klamath Mountains in California, showing the locations of talc occurrences...36, 37 7. Geologic sketch map of the Klamath Mountains in Oregon, showing the locations of talc occurrences |  | | Book (volume) | | Fourche and Cheyenne rivers. These pine covered mountains, higher than the Alleghenies, culminate in Harney...instance, a single Spodumene crystal from the Etta Mine near Keystone on the east side of the Mount Rushmore...beds, excavations, etc.Selenite roses. BRULE COUNTY AREA: in the Oacoma zone of the Pierre Fm. On Elm...gray Barite rosette up to 5 or 6 inches. CAMPBELL COUNTY MOUND CITY, W to the Missouri R., regional hillsides...gravels, etc.petrified wood, wood opal. CORSON COUNTY LITTLE EAGLE: area ridges, slopes, stream beds |  | | Book (volume) | | ASHTABULA COUNTY CONNEAUT, area pits, quarries, rd. cuts, etc.⎯cone-in-cone Calcite. CLERMONT COUNTY MILFORD...CLINTON COUNTY WILMINGTON, area of Todd’s Ford, a mineral deposit⎯Hematite. COSHOCTON COUNTY AREA, townships...CUYAHOGA COUNTY CHAGRIN FALLS (on Geauga Co. line), area quarries⎯oilstone. DELAWARE COUNTY DELAWARE...nodules⎯Pyrite (crystals sharply cubic). FRANKLIN COUNTY COLUMBUS, area countywide exposures of blue clay...HIGHLAND COUNTY SINKING SPRING, area ore deposit (most important in Ohio) ⎯Hematite. HOCKING COUNTY AREA |  | | Report (volume) | | .......Mr. George H. Ashley, Washington, D. C. Texas............Dr. William B. Phillips, Austin. Vermont...See Bauxite and Hallpysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found...commercial quantity or quality. Asphalt. Colbert County, small quantity has been shipped from near Leighton;...following localities: Bibb County, Pratts Ferry; Calhoun County, near Tampa; Clay County, T. 20, Pv. 7 E.; Jefferson...Jefferson County, at Elyton; Lee County, at Chewacla lime works; St. Clair County, at Gfeensport; Shelby |  | | Report (volume) | | and Geology Bull. Idaho Bur. Mines and Geology County Rept.Idaho Bur. Mines and Geology Mineral Resources...Idaho Bureau of Mines and Geology Bulletin and County Report and Mineral Resources Report. Moscow, Idaho...Dakota. Vermillion, S. Dak. South Texas Geol. Soc. BulL-Bulletin, South Texas Geological Society. San Antonio...Knoxville, Tenn. Texas Arch~oL Soc. BulL-Bulletin of the Texas Archeological Society. Austin, Texas. Tokyo Nat...Press. Calgary, Alta., Canada. West Texas Geol. s·oc. Pub.-West Texas Geological Society Publication. Midland |  | | Book (volume) | | ASHTABULA COUNTY CONNEAUT, area pits, quarries, rd. cuts, etc.⎯cone-in-cone Calcite. CLERMONT COUNTY MILFORD...CLINTON COUNTY WILMINGTON, area of Todd’s Ford, a mineral deposit⎯Hematite. COSHOCTON COUNTY AREA, townships...CUYAHOGA COUNTY CHAGRIN FALLS (on Geauga Co. line), area quarries⎯oilstone. DELAWARE COUNTY DELAWARE...nodules⎯Pyrite (crystals sharply cubic). FRANKLIN COUNTY COLUMBUS, area countywide exposures of blue clay...HIGHLAND COUNTY SINKING SPRING, area ore deposit (most important in Ohio) ⎯Hematite. HOCKING COUNTY AREA |  | | Report (volume) | | 248 259 269 271 275 281 r 4 CONTENTS. Page. Texas...................................................New Mexico, Oregon, South Dakota, Tennessee, and Texas; to list all the literature consulted would be impracticable...Phillips, W. B., The mineral resources of Texas: Univ. Texas Bull. 365, Sci. Ser. 29, 1914. Among other...See Bauxite and Halloysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found...commercial quantity or quality. Asphalt. Colbert County, small quantity has been shipped from near Leighton; |  | | Report (issue) | | Department of Geology Sul Ross State University Alpine, Texas 79832 Jill Dill Pasteris Department of Earth and...Krol A note on newly discovered kimberlites in Riley County, Kansas William L. Mansker, Bill D. Richards...petrography of the Twin Knobs ttl lamproite, Pike County, Arkansas . 205 Michael A. Waldman, Tom E. McCandless...Potash Sulfur Springs igneous complex, Garland County, Arkansas Robert E. Zartman and J. Michael Howard...to phonolite magmatism in the Balcones province, Texas . 293 D. S. Barker, R. H. Mitchell, and D. McKay |  | Snyder, George L., Hausel, W. Dan, Klein, Terry L., Houston, Robert S., Graff, Paul J. (1989) Precambrian Rocks and Mineralization, Southern Wyoming Province - Hartville Uplift to Copper Mountain Area, Wyoming July 19-25, 1989. Field Trip Guidebook T332. American Geophysical Union | Report (issue) | | (Snyder) 8 4 12 Laramie Mountains geologic summary (Snyder) Laramie Mountains stop descriptions (Snyder...Hausel) 20 Medicine Bow Mountains geologic summary (Houston) Medicine Bow Mountains stop descriptions (Houston...and Graff) 25 25 Seminoe Mountains geologic summary (Klein) Seminoe Mountains stop descriptions (Klein...and Hausel): Field trip Visits central Laramie Mountains with geology stops in Archean basement, metasedimentary...prospects in the Bradley Peak area of the Selllinoe Mountains. Caravan continues on to the Holiday Lodge, Lander |  | Day, Warren C., Slack, John F., Ayuso, Robert A., Seeger, Cheryl M. (2016) Regional Geologic and Petrologic Framework for Iron Oxide ± Apatite ± Rare Earth Element and Iron Oxide Copper-Gold Deposits of the Mesoproterozoic St. Francois Mountains Terrane, Southeast Missouri, USA. Economic Geology, 111 (8) 1825-1858 doi:10.2113/econgeo.111.8.1825 | Journal (article/letter/editorial) | | Mesoproterozoic St. Francois Mountains Terrane, Southeast Missouri, USA Warren C. Day,1,† John F. Slack...the St. Francois Mountains terrane of southeast Missouri, USA. The St. Francois Mountains terrane lies along...Previous studies have characterized the St. Francois Mountains terrane as a classic, A-type within-plate granitic...Introduction Igneous rocks of the St. Francois Mountains terrane, southeast Missouri (Fig. 1), are part... zal zat 30o Ma Study Area e inc v Pro Llano ce Provin 1000 km Eastern Granite-Rhyolite Province |  | | Catalog/List | | PAGE l· MICROMOUN'fS ACTINOLITE: Gooderham, Ontario, Canada. crystals ACTINOLITE: St. Hilaire. Qu0bec...and tufts ACTINOLITE: Bull Run Quarry, Loudon County, Virginia, USA. sprays and tufts ACTINOLITE,variety...sprays and tufts ACTINOLITE,variety BYSSOLITE: Mount Bianco, Italy. sprays and tufts ACTINOLITE,variety BYSSOLITE:...BYSSOLITE: French Creek, Pennsylvania, USA. sprays and tufts ACTINOLITE SMARAGDITE:Micciano, Pisa, Italy....ADAMITE: Ojuela Mine, Mapimi, Durango, Mexico. crystals ADAMITE,variety CUPROAN:Gold Hill, Utah, USA. crystals |  | | Report (issue) | | Cooperite Djerfisherite [*) Effenbergerite Ferro-actinolite Gamagarite Genkinite Geversite Hawthorneite... Allanite-(La) (1961) Geversite (1961) Ferro-actinolite (1965) Hollingworthite (1965) Perryite (1965)...California, U.S.A. (Switzer and Bailey, 1953); Mihara mine, Okayama Prefecture and at Fuka, Okayama Prefecture...crystals in one mineralised pocket in the Wessels mine, Farm Wessels 227, Hotazel district, Northern Cape...1960) and in the Barringer Hill pegmatite, Llano County, Texas, U.S.A (Marble, 1940). Manganoan varieties |  | | Journal (issue) | | and Chivor mines on the slopes of the Andean Mountains and received insights into the nature of the Colombian...page: Rough emeralds mined by Gemfields at the Kagem mine in Zambia. (Photo courtesy of Gemfields) CONTENTS...The New Dynamics of the Colombian Emerald Sector Mine Tour 44 22 32 In Search of Colombia’s Green Dreams...Emerald Mines Education 44 50 Education and the Mine-to-Market Story Beautifying Emeralds - The Perennial...Russia: The Geology and Gemology of the Malyshev Mine Emerald Origins 88 98 106 78 4 InColor ׀Special |  | | Journal (article/letter/editorial) | | K.), see PRICE (W. F.), 55I BAILEY(S. W.) and RILEY (J. F.), An unusual chlorite from Western Australia...BEVAN (A. W. R.), 53 I Big Bend National Park, Texas, darapskite, halite, 548 BIGGAR (G. M.), Disadvantages...121 (Syn.), M l Boracite, see Iron-boracite Boulby mine, Loftus, Saltburn, Yorkshire, iron-boracite, 404...in as evidence of formation conditions, r55 Carr Boyd Rocks, Western Australia, morenosite, nickelbl6dite...ALPHABETICAL Carter's mine, Madison County, North Carolina, kerolite, 443 Cassiar mine, British Columbia |  | | Journal (article/letter/editorial) | | magnetite, plagioelase, hercynite, 513 Glomsrudkollen mine, Modum, ktenasite, unidentified CuZn-A1 sulphate...4o6; datolite, apophyllite, 4IO Yorkshire Boulby mine, Loftus, Saltburn, iron-boracite, 404 Hepworth Iron...tennantite, 59 WALES(Cymru) Hanter Hill, Radnorshire, actinolite, tourmaline, altered gabbro, 124 Coch, Glamoroan...Mtn., kerolite, 443 Greece ( 'E~t~tag ) Kamariza mine, Laurium, ktenasite, 65 ASIA Israel Menhamiya...Sagar, Madhya Pradesh, basalts, 165 Korea Jan#gun mine, Bonghwa, janggunite, nsutite, todorokite, rhodochrosite |  | | Journal (article/letter/editorial) | | of the Taum Sauk Caldera, southeastern Missouri, USA G. R. LOWELL1,* 1 2 AND P. D. NOLL JR2 Department...Missouri State University, Cape Girardeau, MO 63701, USA Actinide Analytical Chemistry, C-AAC, MS G740, Los...Alamos National Laboratory, Los Alamos, NM 87545, USA ABSTR ACT Stromatolitic carbonate in moat-fill... Mesoproterozoic, SE Missouri, St. François Mountains. Introduction IN this paper we describe a sub-economic...1.48 Ga caldera located in the St. François Mountains of southeastern Missouri. The deposit, located |  | | Report (issue) | | Minerals of the primary ore ________________ _ Actinolite ___________________ :.. ________ _ Tremolite..._____________ -------------- __ _ 48 Composition of the mine waters ____________ _ 49 Porosity of the gossan...-----------Burra Burra mine _____________________________ _ 50 • London mine _________________________________..._____ _ 50 East Tennessee mine ________________ --------- __ 50 Ocoee mine __________________________________...Eureka mines _____________________ _ 51 Polk County mine ______________________ ------_ 51 Rutile--- |  | | Report (issue) | | Preliminary geologic maps of the central Laramie Mountains, Albany and Platte Counties, Wyoming By George...Preliminary geologic maps of the central Laramie Mountains, Albany and Platte Counties, Wyoming By George...quadrangles in a strip across the central Laramie Mountains of eastern Wyoming. Although the geologic maps...Preliminary geologic maps of the central Laramie Mountains, Albany and Platte Counties, Wyoming By George...colluvial or landslide deposits. On western side of mountains occupies numerous presently dry and partially |  | | Journal (article/letter/editorial) | | other micaceous kimberlites from South Africa, the USA and Canada (‘type 1’ micas of Smith et al., 1978;...potassic richterite to magnesio–arfvedsonite or actinolite, and often intrude from the margins of segregations...Macrocrystic <40% ol mac þ phen magnesio–arfvedsonite, actinolite, siderite, calcite, titanite, cpy, quartz –...1.62 0.11 0.47 0.42 11.70 0.06 52.84 0.17 actinolite 3.65 3.78 0.48 potassic richt 260.90 0.001...33–0.86 wt % TiO2, and 0.11–1.1 wt % Al2O3), to actinolite (at the rims of some crystals), and magnesio-arfvedsonite |  | | Report (issue) | | .................................... Caballo Mountains ................................................................................. San Andres Mountains ................................................................................. Sacramento Mountains ........................................................................... Southern Robledo Mountains ............................................................. Northern Franklin Mountains .......................................................... |  | | Journal (article/letter/editorial) | | deposits and from three locations in the Wet Mountains (Marion and Amethyst prospects and an unnamed...spinel with sapphirine and corundum in the Wet Mountains. Gahnite was reported in the Sedalia, Turret,...REGIONAL GEOLOGY The regional geology of the Rocky Mountains in central and northern Colorado was described...lithospheric structure and evolution of the Rocky Mountains, and Frost (1999, 2000) edited issues focused...focused on Proterozoic magmatism of the Rocky Mountains and environs. The area that contains the zincian-spinel-bearing |  | | Report (volume) | | Geologic Bulletins 3, 4 (pt. 1). Knoxville, Tenn. Texas, University, Bureau of Economic Geology: Bulletins...Pass and Atlantic City mining district of Fremont County, Wyoming: Rocks and Minerals, vol. 11, no. 10,...Emery. . ° 3. Upper Permian stratigraphy of west Texas Permian basin: Am. Assoc. Petroleum Geologists Bull...Scott. 5. Upper Cretaceous unconformities in Texas: Texas Univ. Bull. 3501, January 1, 1935, pp. 141-149...zones in the Negaunee iron formation of Marquette County, Mich.: Jour. Geology, vol. 43, no. 2, pp. 113-132 |  | | Report (issue) | | -___---___--___-_-_-__--__-_.-_____________ Eustis mine, Quebec. ___________________________ Moulton Hill...eastern Maine._________ Milan mine, New Hampshire_____________________ Orange County copper district, Vermont___________...Vermont___________ Sulphur Mine, Virginia._________________________ Arminius mine, Virginia_________________________..._________ Johnson mine, Virginia __________________________ Austin Run pyrite mine, Virginia _________________... Virginia.-______ ___________________ Cullowhee mine, North Carolina__________________ Elk Knob copper |
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