 | | Journal (article/letter/editorial) | | Sciences University of Wisconsin-River Falls 410 South Third Street River Falls, Wisconsin 54022 his is Wisconsin’s... breweries, bratwurst, and Packers football, Wisconsin also has a diverse geology and a history rich...forgotten, abandoned, and overgrown. In this respect, Wisconsin represents a frontier state for the mineral collector...several new localities, including the Flambeau copper mine near Ladysmith (Rosemeyer 1999, the Vulcan Materials...1994), the pegmatites of Florence County (Koehier 1989) and the Wausau area (Falster 1987), and the metavolcanicrocks |  | | Journal (article/letter/editorial) | | Minerals of the Stettin Pluton MARATHON COUNTY, WISCONSIN Even though a large portion of it is covered...covered by swamps, forests, and pasturelands, the Stettin Pluton appears to have potential for new mineral finds...Street Wausau, Wisconsin 54401 T H E S T E T T I N P L U T O N I N M A R A T H O N County, Wisconsin, is...numbers 3 and 4 could be reserved. The age of the pluton has been determined at 1520 m.y. (Van Schmus, 1973)...contact. Several unusual minerals occur with this pluton, some as yet unidentified, others undoubtedly yet |  | | Journal (article/letter/editorial) | | FROM T H E THIRTEENTH L A K E QUADRANGLE, WARREN COUNTY, NEW Y O R K . V. H. Collins and J. S. Collins...Schaller, W. T . 1932. Serendibite from War ren County, New York and its paragenesis. Amer. Min. 17:457-465...R I T E IN T H E LOCKPORT FORMATION I N MADISON COUNTY, NEW Y O R K . W. P. Dossert and S. C. Chamberlain...micro scopic prismatic crystals, chalcopyrite in complex, striated modified disphenoids, and reddish brown...following phase 4, the hematite was altered to magnetite and exposed crystals subsequently al tered to |  | | Journal (article/letter/editorial) | | lapidary materials THE Geologic History of WISCONSIN GEOLOGICAL EVENTS THAT OCCURRED T H O U S A N...in geologic history. The geologic history of Wisconsin, as recorded in the rocks, spans some 3,000 million...Over this immense span of time, the area we call Wisconsin has experienced a wide variety of geological events...Rocks of this age are extensively exposed in Wisconsin, and therefore the Precambrian con tains most...Geology Department University of Wisconsin-Oshkosh Oshkosh, Wisconsin 54901 part of the state. The Mesozoic |  | | Journal (article/letter/editorial) | | 494-$07 Thorium Veins in the United States * , MORTIMER H. STAATZ Abstract Thorium-bearing veins...present the largest known potential resource of thorium in the United States in deposits that can be easily...(12) Mountain Pass, California; and (13) Wausau, Wisconsin. Veins in these areas range in length from...rutile are the most commonhave beenfound. The thorium contentof samples from various veins ranges from...important as the thorium. Although rare earths commonly are present in the same minerals as thorium, there may |  | | Show/Event (guide) | | Rossmanite and associated minerals from Newcomb, Essex County, NY by M. Lupulescu & J. Rakovan T h e minerals...Road Wollastonite Deposit, Pitcairn, St. Lawrence County, New York by M. R. Walter, S. C. Chamberlain, R...Road Wollastonite Deposit, Pitcairn, St. Lawrence County, New Y o r k by S. C. Chamberlain, M. R. Walter...Pyrochlore-group minerals form the Wausau Complex, Marathon County, W I by T. W. Buchholz, A. U. Falster...Pegmatite, South Platte Pegmatite District, Jefferson County, Colorado by S. L. Hanson, W. B. Simmons & A. U |  | | Journal (article/letter/editorial) | | columbite-tantalite ___ phosphates bearing dikes, complex Li-rich to pollucite-bearing and other related...Hf) beryl, tantalite, Advanced, (amblygonite), complex, (lepidolite), partly (pollucite) obscured Advanced...(Be, Nb-Ta) Be Be, Nb~Ta, P (Li, F, +Sn, B) COMPLEX [ Kf~ ab; msc ~ lep ] Incipient to advanced Gadolinite...at 1048_+34 Ma (ri 0.7048+-0.0007), Lone Grove pluton at 433 1056 + _ 12 Ma (ri 0.7061 +-0.0003) (Garrison...Precambrian metamorphic and igneous complex separated from an essentially complex Palaeozoic sequence in the south |  | | Report (issue) | | . . . . . . . Wolf River batholith and Wausau Syenite Complex . . . . . . . . . . . . . . . . . . . ...Vermilion district and the Vermilion Granitic Complex . . . . . . . . . . . . . . . . . . . . . . . ...Superior region underlie parts of Minnesota, Wisconsin, and Michigan, very near the geographic center...region. These rocks are bounded on the south, in Wisconsin, by a somewhat younger sequence of dominantly...region underlie parts of Minnesota, northern Wisconsin, and northern Michigan, very near the geographic |  | | Report (volume) | | and evaluation of the Pea Ridge iron ore mine (Washington County, Missouri) for rare-earth element and precious...oxide-dominated matrix. On the basis of drilling prior to mine development these rocks were thought to be conglomerates...Thirtieth Annual Institute on Lake Superior Geology, Wausau, Wise., Abstracts, p. 17-18. Hunt, J:P., 1988,...Minnesota-Duluth 8:45 Breccias at the Olympic Dam mine, Tommy B. Thompson, Colorado State University 9:15... USGS Sulfide mineralization at the Olympic Dam mine, Naomi Oreskes, Stanford University and Western |  | | Journal (issue) | | van Matongo Mineraalspecimen van het Kipawa complex, Québec, Canada (zie artikel in dit nummer) Bovenaan...worden specimens van agrelliet van het Kipawa complex, Québec, Canada aangeboden. Meer details hierover...kosmische omstandigheden ertoe geleid dat een complex en wezenlijk onvoorspelbaar systeem is ontstaan...9(1), 01.09 181-189 Crystal chemistry of the magnetite-ulvöspinel series  LAPIS 34(2), 02.09 9-11...RECORD 40(2), 04.09 105-115 The Round Mountain MIne, Nye County, Nevada 121-125 "Skunk" calcite : mineral |  | | Report (volume) | | greenstone-granite terrane 9 Early Proterozoic Wisconsin magmatic terrane and associated epicratonic rocks...Proterozoic rhyolite-granite terrane of southern Wisconsin 11 Quartzite of Baraboo interval 11 Early Proterozoic...Proterozoic rhyolite-granite terrane of southern Wisconsin 27 Early Proterozoic Central. Plains orogen 27...terrane (age, 2.6-2.7 Ga); (3) Early Proterozoic Wisconsin magmatic terrane (age, 1.83-1.89 Ga) and associated...Proterozoic rhyolite-granite terrane of southern Wisconsin (age, 1.76 Ga); (5) Early Proterozoic metamorphic |  | | Report (volume) | | W (Lower Precambrian) Rocks in Western Gogebic County, Michigan GEOLOGICAL SURVEY BULLETIN Work done...Precambrian W Lower Precambrian) Rocks in 'estern Gogebic County, Michigan Jy ROBERT GORDON SCHMIDT GEOLOGICAL...metavolcanic rocks ("greenstone"), a quartz monzonite pluton, and a variety of granitic gneisses UNITED STATES...W (lower Precambrian) rocks in western Gogebic County, Michigan. (Geological Survey bulletin ; 1407)...transition zone ____ _______ Puritan-Van Buskirk pluton _________________ __ Puritan Quartz Monzonite __________________ |  | | Report (issue) | | 14 1. 2. 3. 4. 5. Asbestos ore Lead ore, Balmat mine, N. Y. Chromite-chromium ore, Washington Zinc ore...Description of the Thorium and Rare-Earth Veins in the Laughlin Peak Area, Colfax County, New Mexico By MORTIMER...MORTIMER H. STAATZ GEOLOGY AND MINERAL RESOURCES OF THORIUM GEOLOGICAL SURVEY IN PROFESSIONAL THE UNITED...mineralogy, and chemistry of veins that contain thorium and rare-earth elements northeastern New Mexico...description of the thorium and rare-earth veins in the Laughlin Peak area, Colfax County, New Mexico (Geology |  | | Book | | Minnesota, Fossil and Mineral Trails Lakes States Wisconsin, Indiana, Illinois, Michigan, by June Culp...our knowledge and enjoyment of this great owners, mine and quarry operators and science by collecting....vast mineral deposits were located in northern Wisconsin. The Great Lakes States of the Midwest still have...St. Paul. Minnesota is a Lake Superior State. Wisconsin has shoreline on both Lake Superior and Lake Michigan...where someone else is working. Don't go into old mine workings. Be careful about walking on slippery rocks |  | | Report (volume) | | Geology and Description of the Thorium-Bearing Veins, Lemhi Pass Quadrangle, Idaho and Montana By MORTIMER...chemical composition) and geologic setting of the thorium veins in the northeastern part of the Lemhi Pass...------------------------------------Future of thorium mining ................ ----------------------...----------------------------------------------Thorium-bearing veins.--------------------------------....... Copper-bearing veins that do not contain thorium ..... ----------------------------· Dimensions |  | | Report (volume) | | relatively high concentrations of uranium and thorium, zircon is commonly used for isotopic dating. Artwork...sedimentary rocks of the Espanola basin, Santa Fe County, New Mexico, by Glen A. Izett and C. W. Naeser... Geochronology of basement granite, Stephenson County, Illinois, by ZellE. Peterman, S. S. Goldich, Lynn...fission-track age for the Bull Domingo boulder pipe, Custer County, Colorado, by W. N. Sharp and C. W. Naeser 77 ...compositions of anorogenic granite from Stephenson County, Illinois, by T. Kurtis Kyser 139 99 Contents |  | | Journal (issue) | | pegmatite in the Stettin Complex, Wausau Syenite Compley, Marathon County, Wisconsin, USA……………………………………………...Emmons pegmatite, Greenwood, Oxford Co., Maine, USA: implication for the origin of this unusual para...evolution of the Emmons rare-element pegmatite (Maine, USA)…………………………………………37 GUASTONI, A., GENTILE, P., NESTOLA...of the Berry-Havey rare-element pegmatite (Maine, USA): preliminary results………………………………………………………………………...Havey pegmatite, Poland, Androscoggin Co., Maine, USA………………………………………………………………………………129 SIRBESCU, MN., |  | | Book | | Lengai natrocarbonatite volcano and the Ilimaussaq complex, but comparative studies on alkaline rocks have...other hand many occurrences are so extensive and complex that the descriptions will only be adequate to...of the occurrence, although often in central intrusive complexes in particular little is known of their...Verlag, Berlin. 252 pp. DEANS, T. 1966. Economic mine ralogy of African carbonatites. 111 O . F. Tuttle...Deloro stock 1 0 1 Sulli vc1n Island 102 K i pawa complex and Lake Tortue 103 Northwestern Quebec dykes 1 |  | | Report (issue) | | DEPARTMENT OF THE INTERIOR GEOLOGICAL SURVEY Thorium deposits in the Wet Mountains area, Fremont and... Contents Page Introduction and geologic setting 1 Thorium deposits 3 Carbonatites 4 "Red rock" Syenite... 2.--Carbonatite dike cropping out at the Miles mine 5 3.--Photomicrograph of carbonatite from same...16 10.--Shear zone from the Haputa Ranch 17 Thorium deposits in the Wet Mountains area, Fremont and...Armbrustmacher Introduction and geologic setting Thorium deposits have been known to exist in the Wet Mountains |  | | Report (issue) | | Thunder Bay P7E 6S7 Timmins - Ontario Government Complex, P.O. Bag 3060, Hwy. 101 East, South Porcupine.................... Pretectonic to Syntectonic Intrusive Rocks (units 16 to 21) .............................................. Felsic to Intermediate Intrusive Rocks (unit 16) ................................Anstruther Gneiss Complex ............................... Contact of Burleigh Gneiss Complex...................................................... Mafic Intrusive Rocks (unit 17) ............................. |  | | Report (issue) | | OF THE INTERIOR GEOLOGICAL SURVEY Uranium and thorium in granitic rocks of northeastern Washington and...Uranium and thorium in granitic rocks Results 8 12 * l-« Thorium content and variation Thorium: uranium...uranium in granitic rocks Uranium in magnetite Uranium and thorium in mignatitic rocks Uranium favorability... Table 1. 2. 3. 4. Variation of uranium and thorium in two granitic rock suites 17 Photograph of...of fission tracks produced by uranium in magnetite 21 Photographs of thin sections and fission track |  | | Report (volume) | | aquifers of the upper James River Valley, Brown County, South Dakota [abs.]: Geol. Soc. America Bull....pitchblende deposits in Golden Gate Canyon, Jefferson County, Colorado: U. S. Geol. Survey Bull. 1030-G, p....condensation, in United Nations, Geology of uranium and thorium, Internat. Oonf. Peaceful Uses Atomic Energy, Geneva..., Contributions to the geology of uranium and thorium .•., U. S. Geol. Survey Prof. Paper 300, p. 113-116...1890-1956. Cretaceous section, Medina County, Texas, to Val Verde County, Texas, in San Angelo Geol. Soc. |  | | Report (issue) | | metamorphosed hydrothermal system at Pine Canyon. Piute County, Utah. U.S.A. [abs.]: Mineralogical Society (London)...mineralogy of the Cerrillos copper deposit, Santa Fe County, New Mexico: New Mexico Geological Society Guidebook...p. 257-260. Alapan, G. A., 1982, The Marian gold mine projects in Cordon, Isabela, Philippines, in Regional...1988. Ag-Au-Te mineralization in the Ratagain complex, northwest Scotland: Transactions Institution of...from the Guide copper mine, a satellite intrusion of the Palabora igneous complex, South Africa: Economic |  | | Report (volume) | | BIBLIOGRAPHY Adams, J. A. S., 1954, Uranium and thorium contents of volcanic rocks, in Faul, Henry, ed...concentrations of uranium. Present data indicate that thorium is about 3 times more abundant than uranium in...carrier of potassium, uranium, radium, and probably thorium. The correlation between the amounts of uranium...and "relative alpha activity" ("a measure of a complex of phenomena involving over twenty different alpha-emitting...versus alpha particle activity indicates that the thorium/uranium ratio did not shift significantly during |  | | Report (issue) | | https://geology.com/. Photograph of Mountain Pass mine by Bradley Van Gosen. Rare Earth Element Mineral...................................3 Mountain Pass mine, southeastern California, June 2018...............States discussed in this report..............6 World mine production of rare-earth oxides, by country and...production came entirely from the Mountain Pass mine in California, providing only about 4 percent of...Most of the REEs are hosted by minerals that have complex chemical formulas; this presents more challenges |
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