 | | Report (volume) | | Igneous Geology of the , Dry Mountain Quadrangle , Jefferson County, Montana By HAROLD J. PROSTKA -/ ,...igneous rocks along the east margin of the Boulder batholith UNITED STATES GOVERNMENT PRINTING OFFICE...____________________________________________ Rocks of the Boulder batholith________________________________ Small...Dry Mountain quadrangle _ _______ In pocket FIGURE 1. Index map showing location of Dry Mountain quadrangle...IGNEOUS GEOLOGY OF THE DRY MOUNTAIN QUADRANGLE, JEFFERSON COUNTY, MONTANA By HAROLD J. PROSTKA ABSTRACT |  | | Report (volume) | | 574 MINING DISTRICTS OF THE DILLON QUADRANGLE, MONTANA AND ADJACENT AREAS BY ALEXANDER N. WINCHELL ................. 75 Outlying mines in Beaverhead County.................................. 76 Polaris district......................................... 76 Bald Mountain district......................................----- -- - - Jahnke mine ..................................................... Ajax mine................................................... 114 Madisonian mine............................................. 115 |  | | Journal (issue) | | Associated Minerals from the Bald Mountain Skarn, Jefferson County, Montana Larry B. French HC 46. Box7204...Butte, Montana, the Continental divide is spanned by rocks of the Boulder Batholith. The batholith is composed...between these rocks and the igneous rocks of the batholith. The contact zone is particularly rich and relatively...well exposed in the area of Bald Mountain, east of Pipestone Pass. Bald Mountain is located in sections 34...and a marble unit. At the northeastern end of Bald Mountain two quarries and a tunnel have been opened. |  | | Journal (article/letter/editorial) | | Montana Mineral Locality Index Downloaded by [University of Nebraska, Lincoln] at 20:00 09 April 2015...2015 K NOWN AS THE TREASURE STATE, Montana is rich in mineral and gemstone localities. The state motto...The middle third of the state is known as the Montana alkali province where the sediments have MICHAEL...view showing the Indian Queen mine ca. 1905 at Farlin, Beaverhead County. 208 ROCKS & MINERALS Downloaded...mines at Butte in Silver Bow County and the Black Pine mine in Granite County have produced many fine crystal |  | | Book (volume) | | extend into the northeast corner where Brasstown Bald, a part of the Nantahala Mountains achieve the highest...Dahlonega Co. and Rabum Co., and  the McDuffie County Belt extending through portions of McDuffie, Warren...Sphalerite. BALDWIN COUNTY MILLEDGEVILLE, at state farmjasper. BANKS COUNTY COMMERCE, along Hwy. 59...Co. linerock crystal. BARROW COUNTY WINDER, along rd. to Jefferson and 1½ mi. inside the Co. line in...Guide for Rock Hounds in the United States BARTOW COUNTY AREA, Saltpeter Cave, as floatjasper. CARTERSVILLE: |  | | Journal (issue) | | articles Minerals of the Bald Mountain Skarn, Pipestone Pass Area, Montana.. ........... 18 by Robert...and Mexican min erals, including ·boleite from Montana, coppers from Arizona and New Mexico, and others...great pleasure 1hat I learned 1ha1 1he Frederick County Rock . and Mineral Club produces a bulletin which...THE JOHN PARNAU COLLECTION REDLEDGEITE REDLEDGE MINE, NEAR WASHINGTON, CALIFORNIA. THIS MATERIAL WAS...Ponosqueira, Portugal. See M. r t 2, 2, p. 7 .3. The mine operators ore now vending specimens although they | | | Journal (issue) | | articles Minerals of the Bald Mountain Skarn, Pipestone Pass Area, Montana.............................and Mexican min erals, including boleite from Montana, coppers from Arizona and New Mexico, and others...great pleasure that I learned that the Frederick County Rock and Mineral Club produces a bulletin which...THE JOHN PARNAU COLLECTION REDLEDGEITE REDLEDGE MINE, NEAR WASHINGTON, CALIFORNIA. THIS MATERIAL WAS...Panasqueira, Portugal. See M. R. 2, 2, p. 73. The mine operators are now vending specimens although they |  | | Report (issue) | | Land Stewardship—Headwaters Province, Idaho and Montana Circular 1305 U.S. Department of the Interior...Land Stewardship—Headwaters Province, Idaho and Montana By U.S. Geological Survey Headwaters Province...land stewardship—Headwaters province, Idaho and Montana: U.S. Geological Survey Circular 1305, 92 p. Cover.... Geochronology and Geochemistry of the Idaho-Montana Porphyry Belt, by Cliff D. Taylor, Jeffrey A. Winick...Plutonism and Mineralization in the Boulder Batholith Region, Montana, by Karen Lund, John N. Aleinikoff |  | | 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 (edition) | | and often gems can be found. valuable For the mountain ranges and level for the ist to States contain... Diamond 3. Colcite 8. 4. Fluorite 9. 5. Apatite B). interesting to note that diamond, It is...a scratch just gypsum or about will scratch apatite, as and a a hard as file material. testing...malachite (copper carbonate), phosphates such as apatite, and silicates, which large and complex family...from them weather the types of agates found in Montana. Metamorphic rocks include those of either of the |  | | Report (volume) | | 527 ORE DEPOSITS OF THE HELENA MINING REGION MONTANA BY ADOLPH KNOPF WASHINGTON GOVERNMENT PRINTING............ Drumlummon mine........................................... Cruse mine.......:................Belmont mine................................................. 50 51 51 53 54 54 55 58 Bald Butte mine...... Penobscot mine................................................ 73 74 Empire mine................... Piegan-Gloster mine........................................... Strawberry mine. .1............... |  | | Journal (issue) | | Beard Yooperlites’ Appeal Wayne Peterson 28 PIPESTONE The Sacred ‘Peace Pipe’ Steve Voynick 52 FLUORESCENT...Decor and more! Neptunite Benitoite Gem Mine San Benito County,CA Martin Zinn Collection Photo by Jeff...Fossils • Live Demos Crack a Geode • Kids Korner • Gem Mine Silent/Chinese Auctions • Door Prizes Exhibits •...the activator in some forms of 12 ROCKNGEM.COM apatite. The response is a yellow color almost bordering...persisted. Benny had brought these calcites from a mine in Coahuilla where it occurred 14 ROCKNGEM.COM |  | | Report (volume) | | Palo Alto. Colorado.........Prof. R. D. George, Boulder. Connecticut..... .Prof. William N. Rice, Middletown...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;...Bibb County, Pratts Ferry; Calhoun County, near Tampa; Clay County, T. 20, Pv. 7 E.; Jefferson County...Elyton; Lee County, at Chewacla lime works; St. Clair County, at Gfeensport; Shelby County, near Whiting |  | | Book (volume) | | brownish yellow octagonal calcite (21.30 ct), Montana; light yellow orthoclase feldspar (25.03 ct), Idaho;...(25.56 ct), Sweet Home Mine, Colorado; colorless scheelite (19.66 ct), Kern County, California; octagonal...Vivid blue matched benitoite gems from San Benito County, California, consisting of 52 benitoites and 75...oligoclase feldspar (5.04 ct), Oregon; and three Montana sapphires, violetish blue (2.52 ct), yellow (4...Dosen ONN/ QBI96-40247 Trade Distribution by Mountain Press Publishing Company P.O. Box 2399, Missoula |  | | Report (volume) | | ..... 139 144 146 153 158 163 169 . 172 174 Montana..................................................California,- Berkeley. Colorado_____Prof. R. D. George, Boulder. Connecticut_ Prof. William N. Rice, Middletown...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;...Bibb County, Pratts Ferry; Calhoun County, near Tampa; Clay County, T. 20 S., R. 7 E.; Jefferson County |  | | Book | | On a spectacular find of crocoite in the Adelaide mine, Dundas, Tasmania (by A. H. Chapman) 3:111-113 ADOLFSSON...Iaria from the Howard-Montgomery quarry, Howard County, Maryland (by J. S. White) 25:53-54 AFGHANISTAN...AJO Famous mineral localities: the New Cornelia mine, Ajo, Arizona (by W. J. Thomas & R. B. Gibbs) 14:283-298...ALABAMA Iron phosphate mineral locality at Indian Mountain, Alabama (by H. Harwood) 5:241-244 Iron-manganese...Iron-manganese phosphates of the Williams pegmatites, Coosa County, Alabama (by P. B. Leavens & T. A. Simpson) 6:66-73 |  | | Journal (issue) | | 8 RED CLOUD MINE WULFENITE Rockhounds enjoy the products of this amazing Arizona mine. By Bob Jones...QUARTZ 40 ROCK & GEM KIDS 46 THE BRISTOL COPPER MINE 50 COOL SUMMER ROCKHOUNDING 54 NATIVE AMERICAN...CONNECTICUT YANKEE 64 Club members collect on Topaz Mountain. By Mark Leatherman Boots on the ground in the... Find jagged quartz crystals at the Wall Street mine. By Robert Beard Regular Columns Field Notes ....Wulfenite from the Red Cloud (photo credit)mine (La Paz County), Arizona, is world famous. (3.9 cm high) |  | | Report (issue) | | Bikita Quarry Lepidolite ...... . Chestnut Flat Mine Muscovite .... . Petrick Quarry Biotites .........Post-Morton Gneiss Intrusives .. · ... 131 Cedar Mountain Complex ................ 131 Granophyre Gabbro........... 147 Description .......... . .. 147 Pipestone or Catlinite . . . ........ . .... 14!:l Age and.... . . . . . . . 43 IS. Map of the Saganaga batholith. . . . . . . . . . . 45 14. Geologic map of.............. 128 30. Geologic map of the Cedar Mountain area. . . . . . . . . . . . . . . . . . 132 |  | | Report (volume) | | HARDNESS 1. 2. 3. 4. 5. Talc Gypsum Calcite Fluorite Apatite . 6. 7. 8. 9. 10. Orthoclase Quartz Topaz Corundum...Del Norte County; Trinity River, Trinity County; Spanish Creek and Gopher Hill, Plumas County; Placerville...Dorado County; Cherokee Flats, Yankee Hill,and Oroville, Butte County; French Corral, Nevada County; Indian...Indian Gulch and Volcano, Amador County; and Alpine Creek, Tulare County. Other western localities are:...Diamond Basin, Ada County, Idaho; Curry County, Oreg.; and Nelson Hill, near Glacier County, Mont. The Great | | | Book (volume) | | Vivid blue matched benitoite gems from Sai, Benito County, California, consisting of 52 benitoites and 75...oligoclase feldspar (5.04 et), Oregon; and three Montana sapphires, violetish blue (2 .52 et), yellow (4...large-scale mining of sapphire-bearing gravels in Montana is beginning and is expected to produce large quantities...operators, Morefield Mine, Amelia, VA; Max & Suzy Berchtold, Royal Rainbow Mine, Laytonville, CA; Ralph...Cantlin, Ellis, ID; Jeannette B. Carillo, Gen1 Center USA, El Paso, TX; Gary Christopher, The Prospectors Cache |  | | Book | | Walsh: Middle Eocene mammalian faunas of San Diego County, California 75 6. S. L. Walsh, D. R. Prothero,...Formation and Poway Group, southwestern San Diego County, California 120 7. D.R. Prothero and E. H. Vance...middle Eocene Coldwater Sandstone, central Ventura County, California 155 8. D.R. Prothero, J. L. Howard...(Uintan to Arikareean) Sespe Formation, Ventura County, California 171 9. D.R. Prothero: Magnetostratigraphy...of the EoceneOligocene transition, southwestern Montana 278 15. R. H. Tedford, J. B. Swinehart, C. C. Swisher |  | | Book (edition) | | from the Tourmaline Q ueen .1ine, Pala, San Diego County, California. From a pen-and-ink drawing by W. E...price increases, which make it more attractive to mine domestic deposits at a profit. Foreign labor is...Rutile, Anatase, Pollucite, Axinite, Microlite, Apatite, Lazulite-Scorzalite, Cassiterite, Zircon, Algodonite...Ruby mine, Cowee Creek, North Carolina 6. Corundum Hill, North Carolina 7. Eldorado Bar, Montana 8. W...W. D. Baltzley 9. Ellis mine pocket, Hiddenite, North Carolina 10. View of American Gems, Inc. property |  | | Book | | our knowledge and enjoyment of this great owners, mine and quarry operators and science by collecting....where someone else is working. Don't go into old mine workings. Be careful about walking on slippery rocks...the objective of the trip. If the destination is a mine dump to hunt for micromounts, a 10 power hand lens...Vermillion Range, where the Soudan mine is the oldest and deepest mine in the state, and the high grade...chlorite, and red coated amethyst came from this mine. Farther south and east, the Mesabi Range trends |  | | Book (volume) | | in elev. From 1,000’ on the eastern border with Montana and Iowa to 3,500’ along the western boundary with...rocks are exposed as thick bands around the entire mountain system. The rising granite mass intruded the famed...an inexhaustible supply of cold artesian, Rocky Mountain snow melt water. Harney Peak is the crest of the...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 |
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