 | | 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) | | 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) | | 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...under way. ZIRCON F R O M T H E WAUSAU C O M P L E X , MARA THON C O U N T Y , WISCONSIN. A. U. Falster |  | | Journal (issue) | | language and means portage. Keweenaw County is the last county on the Keweenaw Peninsula, and includes...Lake Superior. The county has a population of 2,156, making it the least populated county in Michigan. This...Rock, Gem & Mineral Society Annual Show. Crow Wing County Fairgrounds, Contact: Sharon Smith, (218) 343-7037;...Board meeting MG&MC May 16-17: Wauwatosa, WI Wisconsin Geological Society Annual Show. Hart Park-Muellner...Geology University of Wisconsin – River Falls “Imagine an October full moon in Wisconsin glowing ghostly blue |  | | Journal (article/letter/editorial) | | Highway 50 near the village of Grenville, Argenteuil County, Quebec, Canada. The dark blue calcite occurs as...colorless or pale green fluorite; fluorapatite; zircon; titanite; muscovite; and graphite. The nature...PYROCHLORE-GROUP MINERALS FROM THE WAUSAU COMPLEX, MARATHON COUNTY, WISCONSIN. T. W. Buchholz1, A. U. Falster2...Falster2, and W. B. Simmons2. 1 1140 12th St. N., Wisconsin Rapids, WI 54494; 2Dept. of Geology and Geophysics...of New Orleans, New Orleans, LA 70148. The Wausau Complex is composed of a series of four anorogenic |  | | Report (volume) | | Reconnaissance of Part of the Syenite Complex Near Wausau, Wisconsin GEOLOGICAL SURVEY BULLETIN This...RECONNAISSANCE OF PART OF THE SYENITE COMPLEX NEAR WAUSAU, WISCONSIN By R. C. VICKERS ABSTRACT Twelve radioactive...minerals in part of the syenite complex near Wausau, Marathon County, Wis. The rocks in the area are...weathered and covered by residual soil. Thorium-bearing zircon pegmatite float was found within the area...Reddish-brown euhedral to subhedral crystals of well-zoned zircon (variety cyrtolite) comprise more than 40 percent |  | | Journal (issue) | | Medaris: Minerals of Wisconsin In addition to the familiar minerals of Wisconsin, there are a whole bunch...more that you probably have never heard of. The complex geology of the Lake Superior Region has produced...describe some interesting and unusual minerals in Wisconsin that I've studied - these include agrellite, ...riebeckite-arfvedsonite, aegerine, and macaulayite from Marathon County and pseudorutile, foitite-oxyfoitite, and svanbergite...River Falls, wrote an article on Fluorescent Wisconsin minerals for the Midwest Federation of Mineral |  | | Report (issue) | | Granitoid Rocks in Wisconsin Magmatic Terranes of Penokean Orogen, Northern Wisconsin U.S. GEOLOGICAL...Granitoid Rocks in Wisconsin Magmatic Terranes of Penokean Orogen, Northern Wisconsin By P.K. SIMS, K.j...granitoid rocks in Wisconsin magmatic terranes of Penokean orogen, northern Wisconsin I by P.K. Sims ....no.: 119.3: 1904-J 1. Granodiorites-Wisconsin. 2. Granite-Wisconsin. 3. Geology, Stratigraphic- Proterozoic...Proterozoic. 4. Geochemistry-Wisconsin. 5. GeologyWisconsin. I. Sims, P.K. (Paul Kibler), 1918- . II. Series |  | | 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...work with: they typically have very low zircon content; zircon is commonly U-, Th-enriched and extensively...paragneisses and schists formed at 1.31-1.23 Ga (zircon U - P b by Walker, 1988) and metamorphosed to lower |  | | 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) | | 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 |  | | 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 |  | | Journal (article/letter/editorial) | | LOCALITY FOR PHENAKITE AND CASSITERITE IN MARATHON COUNTY, WISCONSIN. T. W. Buchholz1, A. U. Falster2, and...and W. B. Simmons2. 11140 12th Street N., Wisconsin Rapids, WI 54494; 2MP2 Research Group, Maine Mineral...has been discovered in the Wausau Syenite Complex, Marathon County, Wisconsin. The site is located in the...the Nine Mile pluton, a locality that has previously produced fine phenakite crystals that were found...found dominantly in the northern part of the pluton where they were associated with altered siderite and |  | | 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...STRYJEWSKI, A. 222 Rn and 220Rn emanations from zircon crystals collected in Norway pegmatites: a comparison...of the Berry-Havey rare-element pegmatite (Maine, USA): preliminary results……………………………………………………………………… |  | | 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...RECORD 40(2), 04.09 105-115 The Round Mountain MIne, Nye County, Nevada 121-125 "Skunk" calcite : mineral...vrijwel altijd kleine hoeveelheden uranium en thorium op in het kristalrooster. Die twee elementen zijn |  | | Journal (article/letter/editorial) | | Suasinliers the geologyof the Precambrianrocksin Wisconsin perior;theyalsocropoutdiscontinuously younger...coherentregionalpicture nesota and in northern Wisconsin and Michigan. (Precambrian X) rocksform consistentwith...the geochronologyof northern and in northern Wisconsin and Michigan. Except in centralWisWisconsin(Van...confinedto a narrow elongatebelt that transects of Wisconsin (Ervin and Hammer, 1974) and re- the olderrocksin...Peter- man, 1976); and in the northernhalf of Wisconsin(Van Schnmsand Anderson,1976). The gneiss terraneis |  | | Report (volume) | | The cover depicts a crystal of the mineral zircon (ZrSi0 4 ), which is contained by most igneous rocks...relatively high concentrations of uranium and thorium, zircon is commonly used for isotopic dating. Artwork... and Stanley H. Evans, Jr. 1 B. Uranium-lead zircon ages and common lead measurements for the Archean...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 |  | | 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 (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 |  | | Journal (article/letter/editorial) | | ages for zircon. It was anticipated that we would learn from the measurements both the intrusive and metamorphic...muscovite K-Ar, biotite Rb-Sr, zircon U239-Pb2°8, zircon Th-Pb208, zircon U235-Pb207, muscovite Rb-Sr,...comprehensive coverage of an area with an even more complex history. (Journal of Petrology, Vol. 6, Part 3...study, potassium-feldspar, biotite, muscovite, and zircon were separated from igneous and metamorphic rocks...rocks of the area around Iron Mountain, Dickinson County, Michigan. The recent demonstration by Hart (1961) |  | | 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 |  | | Report (volume) | | engaged in field mapping of areas where the age of intrusive rocks could not be established from field evidence...rocks representing most of the major bodies of intrusive rock in the United States. A limited number of...Arabia. A few determinations were made of detrital zircon from sedimentary rocks to obtain information of...method. Many of the samples, however, represent intrusive bodies of questionable to totally unknown geologic...functions of the thorium to uranium rji l.ios of the different accessory minerals xenotime, zircon, and monazi |  | | Report (volume) | | plutonic rocks for those that are apparently intrusive, and 2) volcanic rocks for those considered to...formulas are in dispute, whereas other are members of complex substitution series. Most rare-earth minerals contain...Rontgenite Rowlandite - - - - Dimorph of chevkinite Complex multiple oxide of Nb, Ta, Ti, U, and Poorly defined...Monazite deposits in calcareous rocks, Northern Lehmi County, Idaho: Idaho Bur. Mines and Geology Pam ph. 99...granite of New Hampshire as a major low-grade thorium resource: Nat!. Acad. Sci. Proc., v. 48, no. 11 |  | Carter, Mark W., McAleer, Ryan J., Holm-Denoma, Christopher S., Spears, David B., Regan, Sean P., Burton, William C., Evans, Nick H. (2020) Geochronologic age constraints on tectonostratigraphic units of the central Virginia Piedmont, USA. Professional Paper 1861. US Geological Survey doi:10.3133/pp1861 | Report (issue) | | Tectonostratigraphic Units of the Central Virginia Piedmont, USA Professional Paper 1861 U.S. Department of the...microscopy–back-scatter electron detector image of a zircon aggregate from biotite-muscovite migmatitic paragneiss...paragneiss at the northern terminus of the Elk Hill Complex, central Virginia Piedmont. Image captured by Ryan...Tectonostratigraphic Units of the Central Virginia Piedmont, USA By Mark W. Carter, Ryan J. McAleer, Christopher S...tectonostratigraphic units of the central Virginia Piedmont, USA: U.S. Geological Survey Professional Paper 1861, |  | | Journal (issue) | | Collector's Newsletter $2.00 Pseudomorphs from Brazos County, Texas Art Smith 9118 Concho Houston, Texas 77036...Creek in the BryanCol!~ge Stallon area of Brazos County, Texas. Thin, elongate cav111esparallel to the...setting fire to he shaft and filling the entire mine with smoke. They also incurred the wrath of the...from petrified wood, Turkey Creek, Bryan, Brazos County, Texas, photograph by Art Smith. Mexico While...Antonio Mine) managed to mine into a water-filled fracture system that emptied into the mine, flooding |
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