 | | 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 (issue) | | The 0 RE BI N Vol. 29, No.8 August 1967 THE SAMS VALLEY METEORITIC SHOWER By EnNin F. Lange* One of...Oregon's important meteorites is the 15-pound Sams Valley iron found in 1894 by George P. Lindley of Medford...investigations give evidence to the fact that the Sams Valley meteorite was not an individual fall as was commonly...yet be in the possession of residents of the Sams Valley and Medford areas. It is also quite likely that...found in the Sams Valley area. The 15-pound and largest of the irons was found in the Sams Valley about 10 |  | 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) | | mineral assemblage of epidote, chlorite, and magnetite, with some discontinuous barren veinlets of quartz...quartz + K-feldspar ± fluorite ± magnetite ± epidote ± chlorite. Stage II is marked by occurrence of quartz...quartz + fluorite + molybdenite + magnetite ± pyrite ± sericite ± siderite veinlets/veins with phyllic...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 |  | | Journal (issue) | | of the celebrated North Pole mine, on Cracker Creek, came down from the Upper Camp last week, and aUghting...this due to the absenoe of bold robbers in this region, 01:' whether it 1s due to the astuteness of the...City, and followed on the train. At the Sumpter Valley depot Mr. Godfrey told a reporter for the Herald...by stage. The string of big mines along Cracker Creek, the E.& E., North Pole, Columbia, Tabor Fraction...9-cubio foot Sumpter Valley dredge to the powder River Dredging Company, a new oorporation. The dredge |  | Jimenez-Lopez, Concepcion, Rodriguez-Navarro, Alejandro, Perez-Gonzalez, Teresa, Carrillo-Rosú a, Javier, Boyce, Adrian E., Romanek, Christopher S. (2007) New method for separation of magnetite from rock samples for oxygen isotope analysis. European Journal of Mineralogy, 19 (5) 717-722 doi:10.1127/0935-1221/2007/0019-1761 | Journal (article/letter/editorial) | | Published online October 2007 New method for separation of magnetite from rock samples for oxygen isotope...SC 29808, USA Abstract: A new procedure is described to separate magnetite from milligram sized samples...This method is based on magnetic separation of magnetite after heating the mixture to a temperature that...composition of magnetite. This procedure was tested on samples containing known percentages of magnetite and pyrrhotite...pyrrhotite. The percentage of magnetite in a sample was increased by 10–20 % through successive enrichment |  | | 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...mineralised vein system in the Otago Schist belt, New Zealand, a metamorphic belt in which there has been no...and from an exposure of the vein in McDougall's Creek. This exposure occurs in an active slip, and so |  | | Journal (article/letter/editorial) | | Prospects of the Waitekauri Area, Hauraki Goldfield, New Zealand MARK P. SIMPSON† AND JEFFREY L. MAUK School of...Auckland, New Zealand Abstract The Waitekauri area of the Hauraki goldfield, New Zealand, contains several...Jubilee, Scimitar, Scotia, Teutonic, and Jasper Creek deposits and prospects, which are hosted by andesitic...restricted to shallow levels at both Scotia and Jasper Creek. Albite occurs in a discrete zone below adularia...illite-smectite and smectite at Teutonic and Jasper Creek. Veins are typically less than 10 cm wide, but have |  | | Journal (article/letter/editorial) | | MATĚJKA & JANOUŠEK (1998); M 10 - PROCHÁZKA (2002) + new determination of Rb (XRF) and Zn. 252 V. Procházka...content of the rocks (Tab. 1b). The abundance of magnetite and hematite is negligible, and the unaltered...analytical uncertainty. Zinc in micas and chlorite The new EMP data (Appendix) confirm that Zn is not significantly... ŠTĚPÁNEK, P. & TÁBORSKÝ, Z. (2001): Results of new geologic-petrological studies in the area of the...Mineral. Petrol. 94: 9–26. ISHISHARA, S. (1977) The magnetite-series and ilmenite-series granitic rocks. – Mining |  | | 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 |  | Jin, Chang, Chen, Wei Terry, Gao, Xin-Yu, Li, Xiao-Chun, Bao, Zhi-Wei, Zhao, Tai-Ping (2019) Origin of the Wangpingxigou Pb-Zn deposit in East Qinling orogenic belt, China: Distal response to the giant Donggou porphyry Mo system?. Ore Geology Reviews, 109. 101-116 doi:10.1016/j.oregeorev.2019.04.005 | Journal (article/letter/editorial) | | Confirmation of a Mo-Pb-Zn metallogenic system in the region provides important clues on further prospecting...al., 2008; Zhang et al., 2016). A Mississippi Valley type (MVT) and/or sedimentary exhalative (SEDEX)...the southern margin of NCC (Fig. 1). We present new in-situ S-Pb isotopic and trace elemental compositions...for sulfide minerals, particularly the pyrite. The new dataset, in combination with those in literature...NCC. 2. Geological background The East Qinling region is a part of the Qinling orogenic belt which was |  | Priyam Sharma, Jyoti, Ranjan Sahoo, Prabodha, Mahanta, Haraman, Venkatesh, A.S., Babu, E.V.S.S.K., John, Manish M. (2020) Constraints on the genesis of the Proterozoic bornite dominated copper deposit from Nim ka Thana, western India: An IOCG perspective. Ore Geology Reviews, 118. 103338 doi:10.1016/j.oregeorev.2020.103338 | Journal (article/letter/editorial) | | assemblages affected by Nametasomatism, association of magnetite and specularite in the study area is affiliated...different litho units along with pyrite, galena, magnetite, specularite and martite (Figs. 5a-o). However...chalcopyrite, magnetite, specularite, and galena (Figs. 5b-g). Based on the textural studies, magnetite is observed...crystallization. Because of the brittle nature, magnetite and pyrite are seen to have shattered into fragments...chalcopyrite within the perforated pyrite and magnetite suggests being of late generation (Fig. 5b). The |  | | 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; |  | | 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 (volume) | | ................ Geography of the Yukon-Tanana region..................................... Geography..................... Geology of the Yukon-Tanana region........................................ Geology........................................... Birch Creek schist................................................................. Gold in the Yukon-Tanana region........................................... General....................... 53 53 54 54 54 55 Birch Creek schist......................................... |  | | 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 (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) | | 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 |  | | Journal (article/letter/editorial) | | were made in the eastern half of this area. This region is drained by the Yukon river and its tributaries...outh of the Porcupine (see map, figure 1).. T he region forms a p a rt of the so1 Published by permission...-PALEOZOIC ROCKS OF U P P E R YU K O N called P lateau region of central Alaska, being the interm ontane belt...slopes. C ertain exceptions to this characteristic valley type will be noticed below, b u t of especial im...antled by the products of weathering, while the valley slopes are often buried u nder a heavy talus. Therefore |  | | Book (volume) | | . . . . . . . ... . . . . . . . . . 147 2 - 129 New or Insufficiently Known Iron Meteorites . . . . ...(1873) and many Mexican meteorites ; or entirely new meteorites could be established, such as Augusta...across, which are locally arranged in COLLECTIONS New York (11.4 kg), Vienna (7.8 kg), Budapest (2,I24... Perth (24.5 kg main mass), Washington (283 g), New York (230 g). Specimen in the U.S. National Museum...in the Faculty of Engineering, (Rock Collection , New School of Engineering, Mexico City) is erroneously |  | | 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 (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) | | 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 |
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