 | Hao, Libo, Zhao, Xinyun, de Boorder, Hugo, Lu, Jilong, Zhao, Yuyan, Wei, Qiaoqiao (2014) Origin of PGE depletion of Triassic magmatic Cu–Ni sulfide deposits in the central-southern area of Jilin province, NE China. Ore Geology Reviews, 63. 226-237 doi:10.1016/j.oregeorev.2014.05.017 | Journal (article/letter/editorial) | | Orogenic Belt, with the Jiamusi Massif to the north and the North China Craton (NCC) to the south (Wu et al...are gabbro, pyroxenite, pyroxene peridotite, olivine pyroxenite, and amphibole pyroxenite. There are three...dominant ore-bearing lithofacies: (1) olivine pyroxenite, represented by the Hongqiling No. 1 intrusion;...the Hongqiling No. 7 intrusion; (3) amphibole pyroxenite, represented by the Chajian No. 1 intrusion....intrusion consists of olivine pyroxenite, pyroxene peridotite, pyroxenite, and gabbro. The boundaries between |  | Huang, Shichun, Blichert-Toft, Janne, Fodor, R.V., Bauer, Glenn R., Bizimis, Michael (2013) Sr, Nd, Hf and Pb isotope systematics of postshield-stage lavas at Kahoolawe, Hawaii. Chemical Geology, 360. 159-172 doi:10.1016/j.chemgeo.2013.10.021 | Journal (article/letter/editorial) | | of Marine, Earth, and Atmospheric Sciences, North Carolina State University, Raleigh, NC 27695, United...Earth and Ocean Sciences, University of South Carolina, Columbia, SC 29208, United States b c a r t...postshield-stage lavas, partial melts of eclogite/garnet pyroxenite, characterized by low CaO, Sc and V contents...in the form of melts from eclogite or garnet pyroxenite (Lassiter and Hauri, 1998; Huang and Frey, 2005;...1984, 1994; Lanai: West et al., 1987; Basu and Faggart, 1996; Gaffney et al., 2005; Mauna Kea: Lassiter |  | | Journal (article/letter/editorial) | | evidence of large-scale heterogeneity between the north-eastern and south-western sides of the plume (e...1) as has been previously recognized (Basu and Faggart, 1996; Keller et al., 2000; Regelous et al., 2003;...et al., 1996; DePaolo et al., 2001). Basu and Faggart (1996) suggested that the weakened lithosphere...relative to Lanai and Kahoolawe. Samples from Oahu North-b (S496-6C and S496-6E) deviate from the common...and 4). Major element compositions of these Oahu North-b samples also show extreme compositions that characterize |  | | Journal (article/letter/editorial) | | becoming sul®de saturated. The Jinchuan deposit of north central China occurs within a 6 kmlong dyke-like...which is bordered by the Khatanga trough to the north and the Yenesei trough to the west. Their emplacement...only been intersected in the western part of the mine area, where it is seen to narrow upward and merge...variably reacted gneiss and fresh troctolite, pyroxenite and peridotite in a troctolitic to noritic matrix...China Geology The Jinchuan deposit is located in north central China, within but close to the southern |  | | Journal (article/letter/editorial) | | to 50-m-wideband,whichfollowsthe footwallin the north- western partof theembayment; thisconsists of a...olivinemelanorite podin thesublayer norite,P = metapyroxenite,pyroxenite, diabase, andraregabbro-anorthosite andtroc-...andheavy from both the Parkin offset, some3 km north of the Whistle liquids.Zirconandbaddeleyite weresubsequently...0.02 17 D Diabase (glmneroporphyritic),Whistle mine(C-94-9) 13. z eu sp-eq[m] 14. z eu sp-eq[m] 41...U-PbAges(Ma) for the Sudbury Igneous Complex Whistle mine Olivinemelanorite pod Metapyroxenite inclusion |  | | Journal (article/letter/editorial) | | Lavas erupted off-axis of the plume, called the North and South Arch Volcanic Field, are also grouped...Nevada, Las Vegas, Las Vegas, NV, USA. 2Brown University, Providence, RI, USA. *e-mail: defelc1@unlv.nevada...Longitude (° W) 160 158 156 154 200 km 25 North Arch Volcanic Field 23 ia n ch Ar Latitude (°...their mantle source may be a mixed lithology of pyroxenite and peridotite45. Here we report Sr, Nd, Hf and...trends as those defined by lavas and high-pressure pyroxenite cumulates associated with the rejuvenated-stage |  | Lightfoot, Peter C., Keays, Reid R., Morrison, Gordon G., Bite, Andy, Farrell, Keith P. (1997) Geologic and geochemical relationships between the contact sublayer, inclusions, and the main mass of the Sudbury Igneous Complex; a case study of the Whistle Mine Embayment. Economic Geology, 92 (6) 647-673 doi:10.2113/gsecongeo.92.6.647 | Journal (article/letter/editorial) | | / •Offset MainMass Transect Whistle 46'45' Mine "Whistle Offset Main Mass Transect Fraser MacLennan...• Cliff Offset Worthington Offsetß Vermilion Mine :•] Offset • • Whitewater Group(Onaping, Onwatin...1995). GEOLOGIC & GEOCHEMICALRELATIONSHIPS,WHISTLE MINE EMBAYMENT 649 literature. Thisstudyis a detaileddocumentation...upturnedHu- et al., 1995). Inclusionsfrom the Whistle mine have cumulus ronianrocksaroundthe marginof the complex(Dressier...Sublayer GEOLOGIC & GEOCHEMICALRELATIONSHIPS,WHISTLE MINE EMBAYMENT 651 mainmass noritc;onthegrounds of |  | Kawohl, Alexander, Frimmel, Hartwig E., Bite, Andrejs, Whymark, Wesley, Debaille, Vinciane (2019) Very distant Sudbury impact dykes revealed by drilling the Temagami geophysical anomaly. Precambrian Research, 324. 220-235 doi:10.1016/j.precamres.2019.02.014 | Journal (article/letter/editorial) | | of the largest unexplained magnetic features in North America. It is similar in size and shape to the...which is one of the largest magnetic anomalies in North America, covering an area of 1,200 km2 and having...(Kanichee) intrusion (James & Hawke 1984), diorite-, pyroxenite- and lamprophyre dykes (e.g. Bennett 1978). Coeval... Recently, new Offset Dykes were discovered in the north of the SIC (Smith et al. 2013). The Offset Dykes...composition among all igneous complexes worldwide. Faggart et al. (1985), for example, demonstrated a generally |  | Xu, Guangping, Huang, Shichun, Frey, Frederick A., Blichert-Toft, Janne, Abouchami, Wafa, Clague, David A., Cousens, Brian, Moore, James G., Beeson, Melvin H. (2014) The distribution of geochemical heterogeneities in the source of Hawaiian shield lavas as revealed by a transect across the strike of the Loa and Kea spatial trends: East Molokai to West Molokai to Penguin Bank. Geochimica et Cosmochimica Acta, 132. 214-237 doi:10.1016/j.gca.2014.02.002 | Journal (article/letter/editorial) | | formed near the Molokai Fracture Zone (Basu and Faggart, 1996). Specifically, do Penguin Bank lavas contain...in a submarine basalt collected 20 km from the north coast of West Molokai (Xu et al., 2007)? (f) What...Molokai shield derived from the steep headwall on the north side of East Molokai Volcano (Beeson, 1976), are...(2005, 2007), Tanaka et al. (2002) and Basu and Faggart (1996); West Molokai – Xu et al. (2007); Hualalai...rocks with very different mineralogy, such as pyroxenite and peridotite (Sobolev et al., 2005). Clearly |  | | Journal (article/letter/editorial) | | University of Hawai‘i, Mānoa, Honolulu, HI 96822, USA a r t i c l e i n f o Article history: Received...previously reported (Lanphere et al., 1980; Basu and Faggart, 1996). Some of these samples were reanalyzed in...underneath Hawai‘i is not steep sided, but has a 25–35◦ north-northwest-facing gentle slope to a topographic high...Hawaiian mantle plume initiated slightly to the north of the present plume loca- tion where the highest... U.S. Geol. Surv. 2 (5), 545–550. Basu, A.R., Faggart, B.E.F., 1996. Temporal isotopic variations in |  | | Book | | commercial ores and secondary minerals by state, county, township, and geologic range. For easy identification...61 232 PART The Making 43 II 5 7 3 III Mine PART 267 IV Glossary 279 Bibliography 291...cities, and many of today’s prosperous western county seats began as mining-boom camps. trating sand...Whether you such as those listed alphabetically by county, township, and range in Part II of this book. Where...minerals which make lovely cabinet specimens. old mine western states, to kick up and oxidation, |  | | Journal (article/letter/editorial) | | matrices. Contact sublayer and offset dykes hosted by north range granitoid footwall can be distinguished from...component in the contact sublayer from the Whistle mine area ŽLightfoot et al., 1997c.. However, both sublayer...an upper felsic and a lower mafic norite in the north range of the SIC. In the more extensively metamorphosed...Ž1996. showed that Pb isotopic compositions of north and south range contact sublayer norites can be...inclusions of basalt or diabase, melanorite or pyroxenite, and quartz diorite which is texturally comparable |  | | Journal (article/letter/editorial) | | 2005 Copyright © 2005 Elsevier Ltd Printed in the USA. All rights reserved 0016-7037/05 $30.00 ⫹ .00 doi:10...with this suite have been identified 200 km to the north (Fort Knox) and 300 km to the west (St. Joseph’s...long and half a kilometre wide, elongated in a north-south direction, shown in Figure 3a. The primary...xenoliths of pillowbasaltic lavas. It is bounded to the north by Archaean granites, to the west by the norite...intrudes the Algoman Birch Lake Batholith to the north, and is bounded to the south by Nipissing Gabbro |  | | Journal (article/letter/editorial) | | CA, USA ro 3. Department of Geology and Geophysics, University of Hawaii, Honolulu, HI, USA -p Corresponding...compositions over the same time period (Basu and Faggart, 1996; Harrison et al., 2017; ur na Harrison...exterior of the Hawaiian mantle plume; melting of pyroxenite on the edges of the plume (Ballmer et al.,...Marlow, M.S., 1993. Fracture zone traces across the North Pacific Cretaceous quiet zone, and their tectonic...convection. Nat. Geosci. 4, 457-460. Basu, A.R., Faggart, B.E.F., 1996. Temporal isotopic variations in |  | | Journal (article/letter/editorial) | | places mineralized, offset dikes occur either south, north, or northwest of the Sudbury Igneous Complex. Recently...hosts several deposits, including the Copper Cliff mine complex with 64 Mt of combined reserves and resources...(Lightfoot, 2016). Other examples are the New Victoria mine in the Worthington offset (12.5 Mt @ 2.2 wt % Ni...Ni, 0.7 wt % Cu) and the currently active Totten mine (Worthington offset; 9 Mt @ 1.39 wt % Ni and 2 wt...form of sulfide-bearing, vertical, north-striking shear zones, 4 m north of the shaft, within the Gowganda |  | | Journal (article/letter/editorial) | | Terrestrial Magnetism, Carnegie Institute, Washington, DC, USA d U. de Montpellier, Montpellier, France Received...component. Northern Cook – Australs lavas (those north of the Austral Fracture Zone (AFZ)) falling along...derive from easily fusible components (e.g., pyroxenite veins) dispersed in the Pacific upper mantle...isotopic character of lavas north and south of the AFZ is plainly evident. Lavas north of the AFZ appear to...fall along the HIMU –MORB trend defined by the north- Notes to Table 2: 87 Sr/86Sr corrected for mass |  | | Journal (article/letter/editorial) | | 8] Hawai'i rejuvenated-stage lavas [21-279] pyroxenite xenoliths O'ahu [53-6587] altered MORB [1-30]...as to constrain mantle sources of the magmas. In North Atlantic ocean island volcanoes (Canary Islands...West Maui and the Kea plume source [49,50]. At the North Atlantic volcanoes, 187Os / 188Os higher than the...in the contaminated lava is much greater in the North Atlantic volcanoes (up to 0.195, [49,50]) than in...in West Maui (up to 0.152), indicating that the North Atlantic volcanoes have assimilated either a relatively |  | | Journal (volume) | | Frosty bog, western part of Koitelainen B2: Bog, north of Koitelainen fell Geological Survey of Finland...sheets 3714, 3723, 3732 and 3741) lies ca 150 km north-northeast of Rovaniemi in a wilderness between the...Grussification had considerable – and not entirely pleasant – effects on bedrock exposure. Rocks with even...crescentic fractures. Ice advance was strongest from north-northwest, the dominant direction of effective transport...with a surface area of 50–55 km2. Its length from north to south is ca 15 km; its width in the southern |  | | Journal (article/letter/editorial) | | Copyright © 2000 Elsevier Science Ltd Printed in the USA. All rights reserved 0016-7037/00 $20.00 ⫹ .00 Pergamon...University of California, Santa Cruz, California 95064, USA Laboratoire des Sciences de la Terre, Ecole Normale...amphibolite (New York, USA), a xenolith from the Bearpaw Mountains (Montana, USA), and the Smith Grade...Grade Granite (California, USA). In addition to whole rocks and garnet, the Lu–Hf isotope compositions of...zircon). Samples include a Middle Proterozoic pyroxenite xenolith from the Bearpaw Mountains, Montana |  | Hanley, Jacob, Ames, Doreen, Barnes, Jaime, Sharp, Zachary, Guillong, Marcel (2011) Interaction of magmatic fluids and silicate melt residues with saline groundwater in the footwall of the Sudbury Igneous Complex, Ontario, Canada: New evidence from bulk rock geochemistry, fluid inclusions and stable isotopes. Chemical Geology, 281 (1) 1-25 doi:10.1016/j.chemgeo.2010.11.009 | Journal (article/letter/editorial) | | TX, USA d Department of Earth & Planetary Sciences, University of New Mexico, Albuquerque, NM, USA e Department...and carbonaceous marine sediment (Dietz, 1964; Faggart et al., 1985; Naldrett et al., 1986; Walker et...km northeast of the Fraser Mine (Xstrata Nickel Canada) and 500–600 m north of the contact between the...deposits with footwall Cu–PGE deposits at the Fraser Mine. The samples of FWGP provided whole rock data and...from the southern SIC margin south of the Creighton Mine; samples labeled “DISTAL” in Fig. 1 and Table 2) |  | | Journal (article/letter/editorial) | | trillion for ocean island basalts (OIBs) and pyroxenite layers in orogenic lherzolites. Data sources...basalts as given in the caption for Figure 6. The pyroxenite data are from Reisberg et al (1991), Roy-Barman...and abundance are inversely correlated in the pyroxenite data set (Figure 7), which causes trade-offs...direct function of the characteristics of the pyroxenite layer: its original Re content, its age, and...above and Figure 8) and the Re-Os model ages of pyroxenite layers themselves if they do in fact represent |  | | Report (issue) | | to less well-developed PGE mineralization in the North Atlantic Igneous Province (NAIP). Of course, in...Australia Ottawa, Ontario Sydney, Australia Durham, North Carolina Cape Town, Republic of South Africa Lyndon...review PGE deposits in mafic rock complexes across North America. They describe the field, petrographic and...relationships at the currently operating Lac de Iles mine (Ontario), the Marathon deposit in the Coldwell...(Ontario), and the formerly producing Salt Chuck mine (Alaska). They, thus, cover a range of deposit types |  | | Book | | Avenue of the Americas, New York, NY 10013-2473, USA Cambridge University Press is part of the University...Identification of Contrasting Processes Forming Seguam and Mount Saint Helens 7.5 Magma Generation at Convergent...the caldera of Mount Saint Helens 14 (A) Geologic sketch map of Shiprock in New Mexico, USA, showing dikes...Cretaceous sedimentary rocks, southern Colorado, USA 15 (A) Biotite-rich xenolith in granodiorite dike...cutting the Laramie anorthosite complex, Wyoming, USA. (B) Fine-grained granodiorite autolith in granite |  | | Book | | Comprehensive Example: The Cree de District, Colorado, USA 4.11. Summary 4.12. Recommended Reading .!CHAPTER...disseminating the information, the mine geologists and mine managers who have made the mine visits a rewarding experience...concentration required to achieve the break-even point for a mine in terms of revenue and costs. Any detailed exploration...culminating with the Creede vein type deposit (Colorado, USA) as a comprehensive example. The second part of the...Intrusions related to flood basalts Duluth Complex, USA Nori!' sk-Tanakh, Siberia Ni-sulfide Ni-Cu sulfide |  | | Report (issue) | | France, August 26-31, 1974 Snowmass, Colorado, USA, August 20-25, 1978 Nikko, Japan, June 27-July 2...University of California, Berkeley, /COG returns to a North American venue for the first time in sixteen years...and Electric Company Western Mining Corporation (USA) VMI, Inc. iv ICOG-8 Organizing Committee Gamiss...Survey, Box 25046, DFC, MS 963, Denver, CO, 80225, USA P. Agrinier, M. Javoy (Lab. G&>chimie Isotopes Stables...important exceptions are the large dune fields of the North American Great Plains. The Nebraska Sand Hills (>50 |
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