 | | Journal (article/letter/editorial) | | colorless calcite in brown and reddish brown banded limonite. "Broken piece of a nodule taken from a backyard...the common 3H s O hydrate phase." ANTARCTICA: "This is from Antarctica brought back by my son whose Navy...Very interesting to find pebbles way down in Antarctica! AUSTRALIA—A beautiful specimen of deep green...and deep brown limonite; hemimorphite (group of lustrous, colorless xls on brown limonite); hydrozincite...hydrozincite (white, reniform masses on brown limonite— the hydrozincite fl. blue, S.W.); malachite (dark green |  | | Journal (article/letter/editorial) | | Beacon Sandstone Iormation of South Victoria Land, Antarctica, have beenexamined petrographically. Gould, geologist...6EOR9E V LAND EAST OF Frc. 1. Sketch map of Antarctica. (1) Terra Nova Bay district; (2) Ferrar Glacier...Rutile Ilmenite Leucoxene Magnetite Pyrite Hematite Limonite Chert Diabase (?) Volcanic fragments Mica schist...Rutile Ilmenite Leucoxene Nlagnetite Hematite Limonite 641 642 643 79 x x X x x x X 7 x x x...Titanite Rutile Ilmenite Leucoxene Magnetite Hematite Limonite xlx xtx x l7c r / o xtx xlx x x x x x x |  | | Report (issue) | | the Copper Nunataks. FIGURES Maps of: 1. West Antarctica showing location of Lassiter Coast project area...Modes of fresh igneous rocks in Copper Nunataks, Antarctica.---______________________ _______ _ Chemical...the major rock units from the Copper Nunataks, Antarctica ___ Semiquantitative spectrographic analyses...and mineralized rock from the Copper Nunataks, Antarctica. ___ __________ _____________ ______________...hydrothermally altered rocks of the Copper Nunataks, Antarctica ____________________________________________ |  | | Journal (article/letter/editorial) | | terranes in or adjacent to East Africa and/or Antarctica, as ultimate source regions with a minor contribution...(Figure 3a, b) and/or iron oxide as goethite/ limonite (Figure 3c, d) as well as subordinate clays replacing...non-ferruginous facies (Figures 2b, 3c, d). The goethite/limonite cement has been derived from hematite and ilmenite...the gradation from hematite to goethite and then limonite, indicating a direct relationship (Figure 2b)...oxide cement in the form of goethite surrounded by limonite filling most of the pores; the leucoxene is an |  | | Report (issue) | | CIRCULAR 909 Petroleum and Mineral Resources of Antarctica Work done in cooperation with the National Science...Foundation Petroleum and Mineral Resources of Antarctica By John C. Behrendt, Editor GEOLOGICAL SURVEY...resources in Antarctica?, by John C. Behrendt . . . . . . Mineral occurrences of Antarctica, by Peter D...· · · · · · · · · · · The Dufek Intrusion of Antarctica and a survey of its minor metals and possible...FIGURE 1. 2. 3-9. 10. 11-18. 19. Index map of Antarctica Cartoon of "ring of oil" Maps showing: 3. Worldwide |  | | Journal (article/letter/editorial) | | Preparation The large influx of meteorites from Antarctica and the desert areas of Australia, Africa and...the porphyritic chondrules have been replaced by limonite. No nonporphyritic chondrules (i.e., radial pyroxene...<50 p.m are stained brown; although traversed by limonite veins, most coarser silicate grains have large...fme-grained matrix and -5 vol% opaque minerals (limonite, kamacite, taenite and troilite). Taenite is much...transformed into limonite. Many metal grains have thin (2-5 p.m) rinds of limonite surrounding them. |  | | Journal (article/letter/editorial) | | (4),2r 123-135 (1896)' ON THE MINERALOGY OF ANTARCTICA DuNc.qN SrnwAnt, Jr.., Corleton College,Northf'eld...Christensen(Christensen-Vulkan)of Robert' son Island, West Antarctica. The following is a list of the 167 mineral species'subspecies...questionable occurrence, that have been reported from Antarctica. A number of these have been determined only...Lawsonite Lepidolite Lepidomelane Leucite Leucoxene Limonite Magnetite Malachite Malacolite Meionite Mesolite...petrography. II. Rocks from Ingrid Christensens Land, Antarctica. Sci. Res. Norwegian Antarctic Exped'. 1927-1928 |  | | Journal (article/letter/editorial) | | geochronology of the Lützow-Holm Complex, East Antarctica: Implications for AntarcticaeSri Lanka correlation...online xxx The Lützow-Holm Complex (LHC) of East Antarctica has been regarded as a collage of Neoarchean...for evaluating the tectonic correlation of East Antarctica and Sri Lanka. Cores of detrital zircon grains...to Mesoarchean domains in India, Africa, and Antarctica might also be distal sources for the minor w2...geochronological studies on East AfricaeIndiaeSri LankaeEast Antarctica region, which corresponds to the central part |  | | Journal (article/letter/editorial) | | College,East Lansing, Michigan. Adelie Land, Antarctica, lies to the south of Australia, and is an &rea...E., and C. E. Tilley, Geological problems of Antarctica: problems of polar research: Am. Geogr. Soc.Special...Cordierite Monazite Garnet Magnetite Ilmenite Pyrite Limonite Hematite p p p p 42.80 ( 122.30 I p p p p |  | | Journal (article/letter/editorial) | | THE MOUNT GRAN AREA, SOUTHERN VICTORIA LAND, ANTARCTICA Abstract: The Mount Gran area, encompassing invaded...granite and pink gneiss on the floor Victoria Land, Antarctica. At least two major glaciations are represented...E. CALKIN-GLACIAL GEOLOGY OF MOUNT GRAN AREA. ANTARCTICA Downloaded from https://pubs.geoscienceworld...western Alatna Valley, southern Victoria Land, Antarctica An arrow-shaped outcrop of Razorback sandstone...E. CALKIN—GLACIAL GEOLOGY OF MOUNT GRAN AREA, ANTARCTICA granite and granite-gneiss erratics are by far |  | Rowley, P. D., Williams, P. L., Schmidt, D. L., Reynolds, R. L., Ford, A. B., Clark, A. H., Farrar, E., McBride, S. L. (1975) Copper mineralization along the Lassiter Coast of the Antarctic Peninsula. Economic Geology, 70 (5) 982-987 doi:10.2113/gsecongeo.70.5.982 | Journal (article/letter/editorial) | | and climatic problemsof large-scalemining in Antarctica are enormousto- data). day, the discoveryof copperand...secondaryminerals are relatively minor hematite, limonite, malachite, andpossibly chrysocolla.In this f...achievements in Antarctica: Butterworths, p. 118-162. London, 1969a,Geologicmap of Antarctica,northernAntarctic...V. C., and Craddock,C., eds., Geologicmapsof Antarctica,folio 12: New York, American Geog. Soc., plate...Peninsula, Antarctica: Am. Philos. Soc. Proc., v. 89, p. 132- 145. 1969b,Geologicmap of Antarctica,southernAntarctic |  | | Journal (article/letter/editorial) | | GEOMORPHOLOGY OF MARGUERITE BAY AREA, PALMER PENINSULA, ANTARCTICA BY ROBERT L. NICHOLS ABSTRACT A snow-covered...to the southern part of the Palmer Peninsula, Antarctica. It is approximately 2000 feet high at the northern...NICHOLS—MARGUERITE BAY AREA, ANTARCTICA ILLUSTRATIONS Figure Page 1. Map of Antarctica showing location of the...localities studied in the Marguerite Bay area, Antarctica 1425 4. U. S. Navy Department, Hydrographic Office...Firma Islands, Antarctica 1430 6. Upper limit of glaciation at Roman Four Mountain, Antarctica 1430 7. Geologic |  | | Journal (article/letter/editorial) | | achondrites, and 2 Angrites, and with 937 from Antarctica, 592 from Africa, 230 from Asia, 95 from South...Kiel) Fs 29.9-31.3; An 91-95Or<0.3; 1.8 % Ni in limonite. Classification: Mesosiderite Specimens: A total...represented by remnant troilite, surrounded by limonite and other weathering phases. Geochemistry: Pyroxene...regions containing opaque material, calcite and limonite. Some thin calcite veinlets cross-cut the specimen...Escarpment 01021 (PCA 01021) 85°40.380’S, 68°43.055’W Antarctica Found: 2002 Jan 18 Classification: HED achondrite |  | | Journal (article/letter/editorial) | | grained with argillo-calcareous matrix mixed with limonite. iii. Pebbly Shale: The dark grey massive shales...Collision Orogen of Central Dronning Maud Land (Antarctica),a Result of the Assembly of East and West Gondwana...suite forms a huge magmatic province in East Antarctica, ranging at least from Gjelsvikfjella (2%) to |  | LI, Shijie, WANG, Shijie, BAO, Huiming, MIAO, Bingkui, LIU, Shen, COULSON, Ian M., LI, Xiongyao, LI, Yang (2011) The Antarctic achondrite, Grove Mountains 021663: An olivine-rich winonaite. Meteoritics & Planetary Science, 46 (9) 1329-1344 doi:10.1111/j.1945-5100.2011.01232.x | Journal (article/letter/editorial) | | collected from the Grove Mountains region of Antarctica. The meteorite is composed primarily of olivine...021663. a) Extensive troilite and limonite veining. b) A limonite grain is completely enclosed by troilite...Kamacite and limonite grains are similarly enclosed by troilite and schreibersite. d) A limonite grain is...enclosed by schreibersite. Tr = troilite, Lim = limonite, Kam = kamacite, Sch = schreibersite. meteorites...No. 4 moraine in the Grove Mountains region of Antarctica (Lat. 7246¢25¢¢ S, Long. 7520¢23¢¢ E). The |  | | Journal (article/letter/editorial) | | LEW85332 has resulted in the formation of6.2 vol.% limonite; 3.9 vol.% metallic Fe-Ni remains. The inferred...meteorite is a single 113.7 g stone that was found in Antarctica at 85°17'24"S, 161°20'll"E (R. Score, pers. comm...Metallic Fe-Ni Troilite Pentlandite Merrillite Limonite Th~ Number of points Surface area (mm-) 47.9...metal grains in the matrix are coated with limonite rinds. Limonite constitutes - 6 vol.% of the meteorite...(metallic Fe-Ni, troilite and pentlandite, excluding limonite) and rare merrillite grains all surrounded by |  | | Report (issue) | | 24 Catalog of Meteorites from Victoria Land, Antarctica, 1978-1980 Ursula B. Marvin and Brian Mason EDITORS...editors. Catalog of Meteorites from Victoria Land, Antarctica, 1978-1980. Smithsonian Contributions to the...title: Catalog of meteorites from Victoria Land, Antarctica, 1978-1980. (Smithsonian contributions to the... Catalog of Meteorites from Victoria Land, Antarctica 1978-1980 Editors' Introduction Ursula B. Marvin...the University of Pittsburgh, to Victoria Land, Antarctica, since the austral summer of 1976. This catalog |  | | Journal (article/letter/editorial) | | ferric oxide, limonite (or goethite) and clay minerals. Infrared reflectance spectra of limonite [6] and goethite...studying collection mechanisms of the meteorites in Antarctica and alteration of Antarctic meteorites. Further...Investigations of Meteorites from Victoria Land, Antarctica, U.B. Marvin and B. Mason, eds., Smithsonian |  | | Journal (article/letter/editorial) | | (more accurately, mineraloid) was thought to be limonite, which matches the brightness , colour index and...hydration of the iron is more difficult to solve. Limonite (FeO(OH) . nH20 +Fe203. nH20) is not an endogenous...This is because the thermodynamic properties of limonite are incompatible with magmatic environments. A...not essential for weathering. Several areas of Antarctica are permanently devoid of liquid water and are...million of years through which the glaciations in Antarctica lasted. The fundamental difference between 'temperate' |  | | Journal (article/letter/editorial) | | EAST NOTES ONGUL ON ILMENITE ISLAND, FROM ANTARCTICA* GORO SHIBUYA Department of Geology and Mineralogy...natural contained is crystals of gravity of Antarctica, single X-ray, specific shows Island, in...one in East of Japan 200 Mineralogical Antarctica in other 1960-1961, outcrops (69•‹00•LS...along their when fresh, is greyish it becomes limonite. black streak and report, with and Lutzow...occurrence the microcline weathered, Ongul by Antarctica The latter biotite and 1964, coast, inland |  | | Journal (article/letter/editorial) | | Al2O3 Karelia 21 Labrador * Madagascar 22 Limonite * Libyan Desert, Egypt 23 Magnesite MgCO3... e.g., aragonite–dolomite, aquamarine–quartz, limonite–pyrolusite–toodorite, and others. Note that aragonite...Halite (8) Malachite (9) Amber (*) Goethite (9) Limonite (*) Pyrolusite (7) Stilbite (9) Todorokite (10)...(2) Hematite (6) Goethite (8) Cassiterite (2) Limonite (9) Malachite (7) Marcasite Pyrite (2) Pyrolusite...Carpenter, R., 2014. New views of plant fossils from Antarctica: a comparison of X-ray and neutron imaging techniques |  | OUAZAA, N. LARIDHI, PERCHIAZZI, N., KASSAA, S., ZEOLI, A., GHANMIM, M., FOLCO, L. (2009) Meteorite finds from southern Tunisia. Meteoritics & Planetary Science, 44 (7) 955-960 doi:10.1111/j.1945-5100.2009.tb00780.x | Journal (article/letter/editorial) | | productive area worldwide for meteorite recovery after Antarctica (over 34,000 specimens) (source The Meteoritical...troilite (W3) and pervasive veinlets filled with limonite as a result of important weathering. C) A detail...pairing and classification of meteorites from Antarctica through magnetic susceptibility measurements |  | | Journal (article/letter/editorial) | | the Jan-Feb 1959, R&M, on p. 12, we mentioned limonite pseudo after pyrite xls that we received from...it. "Here in York (York Co.), Pa., we have the limonite pseudo after pyrite xls. We have found these xls...tell us how they were formed. "Can you tell me if limonite pseudo after pyrite is common? They are so abundant..."We have access to green marble from Delta, Pa." Limonite pseudo after pyrite is quite common and in some...brown limonite and the change continued deeper and deeper into the crystal until it was all limonite. Even |  | | Journal (article/letter/editorial) | | minerals seen were pink garnet, black ilmenite, brown limonite, silvery muscovite; also dark gray sandstone....consisting of smoky quartz, red hematite, brown limonite, black magnetite, and sandstone (gray, red, brown)...letter dated May 11, 1952. Volcanic Dust from Antarctica Here is an interesting "sand" that was donated...is Mt. Erebus on Ross Island in McMurdo Sound, Antarctica. Collected on Jan. 29, 1948, apparently by M |  | | Journal (article/letter/editorial) | | in its application to Greenland as well as to Antarctica. Mention must not be omitted of a matter that...sequence, thus : calcite, siderite, chlorite, limonite, haematite, magnetite. The same considerations |
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