 | | Journal (article/letter/editorial) | | mineralisation in the Sams Creek peralkaline porphyritic granite, South Island, New Zealand Received: 9 July...II vein quartz accounting for the lower values. Siderite in Stage III veins have d18O (+12 to +16&) and...and d13 CCO2 (5&) values from vein quartz and siderite are consistent with a magmatic hydrothermal source...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 diļ¬cult |  | 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) | | sericite Ā± siderite veinlets/veins with phyllic halos. Stage III consists of fluorite + siderite + quartz...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 |  | | Journal (issue) | | APRIL-Earthquake and Tsunami Preparedness Month: New K-12 Curriculum for Oregon Schools IN THIS ISSUE:...Hatfield Marine Science Center in Newport. testing a new curriculum for earthquake and tsunami preparedness...than 2.000 meteorites, accompanied by a trove of new scientific information (Nininger, 1972). On a much...to look for. This campaign failed to turn up any new meteorites, but the project resulted in the publication...Division of Geology and Earth Resources produced no new specimens (Moen, 1973). In recent years, Portland |  | | Journal (article/letter/editorial) | | pegmatite-leucogranite melt and fluid inclusions: new evidence for melt-melt-fluid immiscibility,ā Mineral...volcanic-hosted Sb vein mineralization in the Potosi region, Central Bolivia,ā Geology 92, 623ā 632 (1997)...mineralisation in the Sams Creek peralkaline porphyritic granite, South Island, New Zealand,ā Mineral. Deposita...Prokofāev, and N. S. Bortnikov, āArkachan: a new goldābismuthā sideriteāsulfide type of deposits in the West...elements in Late Paleozoic rhyolites of southern New Brunswick, Canada: evidence from silicate melt inclusions |  | | 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 (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 (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 |  | Swain, S.K., Sarangi, S., Srinivasan, R., Sarkar, A., Kesarwani, M., Mazumdar, A., Satyanarayanan, M. (2018) Stable isotope (C-O-S) and geochemical studies of auriferous quartz carbonate veins, Neoarchaean orogenic Ajjanahalli and Gadag Gold Field, Chitradurga schist belt, Dharwar Craton, southern India: Implication for the source of gold mineralizing fluids. Ore Geology Reviews, 95. 456-479 doi:10.1016/j.oregeorev.2018.03.005 | Journal (article/letter/editorial) | | subducted slabs. It is therefore concluded that the new isotope and geochemical data provide convincing evidence...(Fig. 3i), ancient shafts, exploratory trenches, valley cuts are present with a few outcrops of fresh mineralised...values of none of the QCVs are clustered around region marked for meta-sedimentary carbonates. These values...been compared with the age of magmatism in the region (Table 6). This shows that the granites around...post-date them by over 10Ma. Similarly in GGF the region, the granitoids pre-date the age of gold mineralization |  | | 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 (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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