 | | Journal (article/letter/editorial) | | mineralisation in the Sams Creek peralkaline porphyritic granite, South Island, New Zealand Received: 9 July...potential sources of sulphur for sulphides in the Sams Creek veins. Another possible source of the sulphur...alteration/mineralisation, and deformation in the region are not well constrained, which makes it difficult...crystallisation of the Sams Creek granite or an underlying magma chamber, then the Sams Creek gold deposit appears...Brathwaite GNS Science, P.O. Box 30-368, Lower Hutt, New Zealand E-mail: k.faure@gns.cri.nz Keywords Granite |  | | Journal (article/letter/editorial) | | mineralisation, Invincible Vein, NW Otago Schist, New Zealand R. Hay and D. Craw Geology Department, University...University of Otago, P.O. Box 56, Dunedin, New Zealand Received: July 1, 1992 / Accepted: September 30, 1992...northeast and dips steeply southeast in the lower Rees Valley, NW Otago. The vein cuts north striking foliation...of the fault zone consist of quartz, albite, muscovite, chlorite, calcite, pyrite, arsenopyrite and minor...mineralised vein system in the Otago Schist belt, New Zealand, a metamorphic belt in which there has been no |  | Leng, C.-B., Zhang, X.-C., Huang, Z.-L., Huang, Q.-Y., Wang, S.-X., Ma, D.-Y., Luo, T.-Y., Li, C., Li, W.-B. (2015) GEOLOGY, Re-Os AGES, SULFUR AND LEAD ISOTOPES OF THE DIYANQINAMU PORPHYRY Mo DEPOSIT, INNER MONGOLIA, NE CHINA. Economic Geology, 110 (2) 557-574 doi:10.2113/econgeo.110.2.557 | Journal (article/letter/editorial) | | description of the Diyanqinamu deposit, together with new molybdenite Re-Os ages and S and Pb isotope compositions...Fig. 2. Sketch geologic map of the Dong Ujimqin region, Inner Mongolia (modified from Zhang, 2008), highlighting... 2004; Zhou et al., 2012). In the Dong Ujimqin region (Fig. 2), Ordovician-Permian volcanic and metasedimentary...unconformably overlie the Paleozoic strata. In this region, several orogenic processes during the Late Silurian...parallel to this fabric in the northern part of this region (Fig. 2; Nie and Jiang, 2011). Their ages cluster |  | | Journal (article/letter/editorial) | | product of subsolidus alteration of biotite into muscovite. Ilmenite usually fills the cleavage of muscovitized...alteration produced very fine intergrowths with muscovite (±chlorite). Subsolidus alteration of primary...5 11.8 3.2 0.8 Quartz K-feldpsar Plagioclase Muscovite, sericite Biotite (incl. chloritized) Accessories...MATĚJKA & JANOUŠEK (1998); M 10 - PROCHÁZKA (2002) + new determination of Rb (XRF) and Zn. 252 V. Procházka...abundance and MgO and TiO2 content and increasing muscovite volume (PROCHÁZKA et al. 1998, WOLLER & SKOPOVÝ |  | | Report (issue) | | Cades sandstone.___-____-_-_--__-______ 44 Walden Creek group_______.-_______________ 45 General features...Ocoee series (later Precambrian) Continued Walden Creek group Continued Shields formation Continued Stratigraphic..._ ______--___Sedimentary environments of Walden Creek area. _ _________________________ Sedimentary environments...features. _ ______________________ Appalachian Valley. ___-_-__--__________ Tuckaleechee and Wear Coves...General features. _ _______________ Appalachian Valley... ___________ Tuckaleechee and Wear Coves __ _ |  | | Report (issue) | | changing world jeology of the National Capital Region Field Trip Guidebook Circular 1264 U.S. Department...and Recreation. Geology of the National Capital Region Field Trip Guidebook Joint Meeting of Northeast...geological and historical legacy of the National Capital Region. The field trips cover all of the major physiographic...of the central Appalachians in the Mid-Atlantic region. Trip 1 outlines the tectonic history of northern...the Paleozoic rocks of the Allegheny Plateau and Valley and Ridge province in West Virginia, Pennsylvania |  | | Report (issue) | | (Petrology)—Appalachian Region—Congresses. 2. Olistostromes—Appalachian Region—Congresses. I. Horton,...Olistostromes of the Avalonian terrane of southeastern New England 0 iic0o0. sia SO OO BE ate. Richard H. Bailey...the U.S. Appalachians in order to emphasize these new and exciting research endeavors. Canadian Appalachian...a more complete picture of the geology. Several new discoveries and interpretations in the U.S. Appalachians...Orogen held in 1984 were unable to agree on any new or previous definition. Similar disagreements are |  | | Report (volume) | | ................ Geography of the Yukon-Tanana region..................................... Geography..................... Geology of the Yukon-Tanana region........................................ Geology........................................... Birch Creek schist........................................................... Muscovite granite and alaskite......................... , Muscovite-biotite granite......................... Gold in the Yukon-Tanana region........................................... General |  | | Report (volume) | | Prof. H. E. Gregory, Sheffield Scientific School, New Haven. Delaware.........Prof. B. L. Miller, Lehigh...Tangier Smith, Berkeley, Cal. New Jersey...... .Dr. H. B. Kummel, Trenton. New York.........Mr. D. H. Newland...Eureka V ALABAMA. 7 mine 4 miles northeast of Valley Head. Etowah County, white, good ball clay at Gadsden...Pegram. Dekalb County, coarse, sandy at Kaolin and Valley Head. Jefferson County, at Littleton, Mabel and...counties. Clay (porcelain). Dekalb County, dug near Valley Head, hard, white, close to halloysite, used for |  | | Report (issue) | | GEOLOGICAL SURVEY GEOLOGIC RADON POTENTIAL OF EPA REGION 3 Delaware Maryland Pennsylvania Virginia West...GEOLOGICAL SURVEY GEOLOGIC RADON POTENTIAL OF EPA REGION 3 Delaware, Maryland, Pennsylvania, Virginia, and...Contacts, and State Geological Surveys 26 2. EPA Region 3 Geologic Radon Potential Summary Linda C.S. Gundersen...directed to develop model standards and techniques for new building construction that would provide adequate...of the EPA Region. The third component is an individual chapter for each state in the Region. Each state |  | | Report (volume) | | ...... New Hampshire........................................................... 190 201 New Jersey.............. New Mexico............................................................. New York. .........F. C. Schrader: Besides giving several thousand new localities of mineral deposits and adding more than...uranium and vanadium minerals in the high plateau region of the West. The present bulletin, like the earlier...especially from those of Arkansas, California, Colorado, New Mexico, Oregon, South Dakota, Tennessee, and Texas; |  | Swain, S.K., Sarangi, S., Srinivasan, R., Sarkar, A., Bhattacharya, S., Patel, S.C., Pasayat, R.M., Sawkar, R.H. (2015) Isotope (C and O) composition of auriferous quartz carbonate veins, central lode system, Gadag Gold Field, Dharwar Craton, India: Implications to source of ore fluids. Ore Geology Reviews, 70. 305-320 doi:10.1016/j.oregeorev.2015.03.020 | Journal (article/letter/editorial) | | the age of gold mineralisation event in a given region should be coeval with age of metamorphism or age...et al. (2003), gold mineralisation in the Gadag region is controlled by and confined to the fault zones...established, which are named as Temple East Lode (TEL), New East Lode (NEL) and S.K. Swain et al. / Ore Geology...non-carbonate phases that present as impurities include, muscovite, clinochlore, kaolinite and hematite (Fig. 5b)...considered based on the weather statistics of the Gadag region (www.yr.no/place/India/Karnataka/Gadag/statistics |  | | Report (issue) | | central Appalachian region Figure 2. Accretionary diagram for the southern Appalachian region 39 40 FOREWORD...central and southern Appalachian region of the United States, from New York City to central Florida. Alphanumeric...the map. The circum-Atlantic terrane map of this region (Horton and others, 1989b) and the following descriptions...composite terrane, is the Pleasant Grove-Huntingdon Valley fault, which is interpreted to be the Taconian...assemblage muscovite-paragonite-chloritoid. The terrane also contains metabasalt of the Sams Creek Formation |  | | Report (issue) | | .................................... . Falling Creek near Juliette, Georgia (Station 02212600) .............................................. Cypress Creek near Janice, Mississippi (Station 02479155)............ McDonalds Branch in Lebanon State Forest, New Jersey (Station 01466500) ....................................................... Esopus Creek at Shandaken, New York (Station 01362198) ................................................... Cataloochee Creek near Cataloochee, North Carolina (Station 03460000) |  | | Report (volume) | | Arkansas, by Mackenzie Gordon, Jr ----------Six new members of the James Run Formation, Cecil County... CONTRIBUTIONS TO STRATIGRAPHY ALBEMARLE GROUP New age: Cambrian Former age: Ordovician(?) central North...Formation) middle Miocene southwestern and south-central New Jersey Nemickas, Bronius, and Carswell, L.D., 1976...Alloway Clay Member of the Kirkwood Formation in New Jersey: U.S. Geol. Survey Jour. Research, v. 4, no...Member adopted as member of Mount Dutton Formation (new name) and geographically restricted to southern Sevier |  | | Report (volume) | | series, a geologic name commonly used in the State of New York, is listed under the Canadian province of Ontario...Atlantic and Gulf Coastal Plain and the Caribbean region: ibid., v. 54, no. 11, p. 1713-1723. Reports American...A., 1956, Croixian type area upper Mississippi Valley, in Eodgers, John, ed., El sistema Cdmbrico, su...Eodgers, John, 1957, Principles of stratigraphy: New York, John Wiley and Sons, 356 p. Durham, J. W.,...Stratigraphic relations of Upper Cretaceous in Great Valley, California: Am. Assoc. Petroleum Geologists Bull |  | | Report (volume) | | to continue the compilation of geologic names as new names or re.. visions of old names appeared in the...pertinent geologic publications for preparation of a new lexicon. After the review had been brought up to...publish quickly some of the essential data concerning new names that had been published since 1935, the cutoff...Wilmarth Lexicon. Bulletin 1056-A listed about 5,000 new names introduced for use in North America, the Pacific...given in the Wilmarth Lexicon has been replaced by a new usage, which is given in the present lexicon. Thus |  | | Report (issue) | | I Oregon . 1 Discussion Hudspeth and Gable Creek Formations, by Keith F. Oles Clarno Group, by Harold...have begun to yield to analysis in terms of the "new tectonics." Recent work in the Tertiary units about...and is ripe for reinterpretation in terms of the new tectonics. The fault blocks, basalt flows, and ignimbrites...the body of knowledge which surrounds a potential new source of almost Geology for the pollution-free...STRATIGRAPHY OF NORTH-CENTRAL OREGON HUDSPETH AND GABLE CREEK FORMATIONS Keith F. Oles Oregon State University |  | | Report (volume) | | C AL SURVEY BULLETIN 1056-A A compilation of new geologic names of North America, including Greenland...geologic names. Plans made for future compilations as new names and revisions appeared were interrupted during...necessary to furnish a background for preparation of a new edition. After the review was brought up to date...possible, some of the essential data concerning the new names that have appeared since 1935. This compilation...circulation and use. The present work, listing the new names published in the period 1936-1955 and a few |  | | Report (volume) | | are in use by the U.S. Geological Survey, and on new names, may be obtained from U.S. Geological Survey...North Carolina North Dakota Nebraska New Hampshire New Jersey New Mexico Nevada NY OH OK OR PA RI SC...SC SD TN TX UT VA VT WA WI WV WY New York Ohio Oklahoma Oregon Pennsylvania Rhode Island South Carolina... Arkansas, Louisiana, Mississippi, and Texas 3/ New Mexico and Texas JL/ Arkansas, Illinois, Iowa, Kansas...for publication, but changes are also made when new reliable information is received from outside sources |
|
