 | | Journal (issue) | | Articles The Val Graveglia m anganese district, Liguria, I t a ly .......................................Donato, Italy macco.marchesini@agip.it Renato Pagano Casella Postale 37 1-20092 Cinisello, Italy renpagan@tin... Figure 1. The Val Graveglia area, Genoa Province, Northern Italy. 1— Cassagna mine 2—Gambatesa mine...Coppello-Reppia prospect 9— Monte Porcile mine 10— Nascio 11—Scrava mine 12— Pontori Prospect h CD ^ .L...manganese district of Val Graveglia in northern Italy produced over one million tons of high-grade ore |  | | Book | | mineralogy was done, at that time, in Germany, Italy, France, and Great Britain. Because of differences...falls ,on the shore of the lake is not alt1ered. Ne,ar the shore of the Jake where the water is least...cavities in the middle portion of the flow. Given a basalt flow 25 meters thick with an initial molten temperature...Ardeche, France, zeolites are present only where the basalt flowed into a Pliocene lake or river (Fig. 5)(Robert...zeolites. The interior of the flow contains columnar basalt with small vesicles connected by minute veinlets | | | Book | | mineralogy was done, at that time, in Germany, Italy, France, and Great Britain. Because of differences...falls ,on the shore of the lake is not alt1ered. Ne,ar the shore of the Jake where the water is least...cavities in the middle portion of the flow. Given a basalt flow 25 meters thick with an initial molten temperature...Ardeche, France, zeolites are present only where the basalt flowed into a Pliocene lake or river (Fig. 5)(Robert...zeolites. The interior of the flow contains columnar basalt with small vesicles connected by minute veinlets |  | | Book | | the 2003 Tucson show. MOROCCO Imilchil area. Outcrops of episyenite and of contact-metamorphic skarn...1970s and early 1980s the Portland Harbor Trust basalt quarry (now inactive) produced unusual specimens...augite and ilmenite rest on matrix of fine-grained basalt. The ilmenite crystals are lustrous black plates...onalcommunication, 2007). 4 ITALY Rio Marina area, Island of Elba, Tuscany. Elba (Latin:...crystals have been collected, especially in skam outcrops just to the south of the Rio Marina iron mine |  | | Journal (article/letter/editorial) | | east side along picnic area, in small cavities in basalt: small crystals of CALCITE, CHABAZITE, LEVYNE,...GROSSULAR. Pinehurst, for a few miles south, in basalt outcrops and road cuts along Highway 95: good small...Council, road cut 3.9 miles below upper bridge, in basalt: small crystals of calcite, chabazite, mesolite...and wulfenite. Galena Summit, 2.5 miles east, outcrops below road: small STiLBITE crystals. Golden Bell... a tributary of the Little Wood River, in basalt outcrops: quartz, some amethyst geodes. Mammoth Gulch |  | | Book (volume) | | harmony Church, area pegmatite outcropsBeryl; (h) Hickory Flat, 2 mi. NE on rd. to OrangeCorundum; ...Church, on E side of Sharp Mt., areaStaurolite; NE 2½ mi.: (a) the Cochran Mica Mine (1 mi. from the...smoky). ATLANTA, Emory University, area pegmatite outcropsQuartz crystals (clear, BARNESVILLE, THOMASTON...quarriesBeryl, Feldspar, Hyalite opal; area granite outcrops, in jointsUranophane (thinly coated with Hyalite...HERMITAGE, E of Hermitage Jct. on Rte. 53 for 6 mi. (NE toward Calhoun in Gordon Co.), turn E at jct., many |  | | Book (volume) | | Marcasite), plume Marcasite, Pyrite, Sphalerite; d NE 20 mi., many regional mine dumps⎯Calcite crystals...Witherite. PULASKI COUNTY GRAND CHAIN, in RR cut mi. to NE⎯brown jasper. RANDOLPH COUNTY SPARTA: c area mine...fossils. There are no igneous or metamorphic rock outcrops in Indiana. The four great periods of glaciations...petrified wood. BARTHOLOMEW COUNTY ELIZABETHTOWN, NE 2 mi., at the Meshberger Stone Co. quarry⎯Calcite...country⎯Aragonite, Calcite, travertine. MARENGO, NE edge roof of Marengo Cave⎯Aragonite, Hydromagnesite |  | | Book (volume) | | Marcasite), plume Marcasite, Pyrite, Sphalerite; d NE 20 mi., many regional mine dumps⎯Calcite crystals...Witherite. PULASKI COUNTY GRAND CHAIN, in RR cut mi. to NE⎯brown jasper. RANDOLPH COUNTY SPARTA: c area mine...fossils. There are no igneous or metamorphic rock outcrops in Indiana. The four great periods of glaciations...petrified wood. BARTHOLOMEW COUNTY ELIZABETHTOWN, NE 2 mi., at the Meshberger Stone Co. quarry⎯Calcite...country⎯Aragonite, Calcite, travertine. MARENGO, NE edge roof of Marengo Cave⎯Aragonite, Hydromagnesite |  | | Report (volume) | | .............................................. Basalt.................................................."West slope of range north of Eightmile Creek; B, Basalt flows north Eightmile Creek.....................far north as Winnemucca, at latitude 41°. The outcrops on the north side of the ? a 21 = b ^ o ...northern and northeastern parts consist of Tertiary basalt, in many flows, one superimposed upon another,...after the manner of the Miocene Columbia River basalt, with which these flows should, in fact, be correlated |  | Su, Wenchao, Hu, Ruizhong, Xia, Bin, Xia, Yong, Liu, Yuping (2009) Calcite Sm-Nd isochron age of the Shuiyindong Carlin-type gold deposit, Guizhou, China. Chemical Geology, 258 (3) 269-274 doi:10.1016/j.chemgeo.2008.10.030 | Journal (article/letter/editorial) | | a few deposits have been dated by 40Ar/39Ar on adularia (Groff et al., 1997) and Rb/Sr on galkhaite (Tretbar...vicinity of the deposit. Late Permian alkali flood basalt outcrops in the northwestern part of the district and |  | Peterson, Tony D., Scott, Jeffrey M.J., LeCheminant, Anthony N., Jefferson, Charles W., Pehrsson, Sally J. (2015) The Kivalliq Igneous Suite: Anorogenic bimodal magmatism at 1.75Ga in the western Churchill Province, Canada. Precambrian Research, 262. 101-119 doi:10.1016/j.precamres.2015.02.019 | Journal (article/letter/editorial) | | anorthosite intrusions; three swarms of mafic dykes; and basalt, rhyolite and pyroclastic rocks of the Pitz Formation...narrow array extending a minimum of 600 km to the NE along the central axis of the WCP. Early mafic rocks...(intrusions and some lavas, 1.77 Ga) had an alkali basalt parent, with subalkaline basalts (sills, dykes...melted Archaean crust variably mixed with juvenile basalt. Metallogenic prospects of the Kivalliq Suite include...Clark, 1987); (4) K–Ar ages in Archaean rocks of the NE Hearne Province (Loveridge et al., 1988); (5) and |  | | Book (volume) | | and agatized wood., fossils. SIOUX COUNTY AREA, NE corner of Co., take W trending rd. 3 mi. S of Ardmore...part of Co., reached N from Fernley in Lyon Co.: (a) NE 15 mi., old camp of Leete, veins in rhyolite, dacite...Silver minerals; (b) NE 23 mi., old camp of FireballGold. DIXIE VALLEY ( 37 air mi. NE of Fallon reached...Quartz and TalcGold, Lead and Silver minerals; NE, in Desatoya Mts., old camp of I.X.L. (Silver Hill)...dirt rd. (to Dixie Valley): (a) NE 3 mi. to 5-way crossroads, take NE trending dirt rd. 11 mi. to old |  | | Report (issue) | | (2) 36 Hurontown (glacially caned basalt) (glacially carved basalt) 4 (3) 39 South Range Quarry South... Geology A fanas B NMddgan ?JWMto,idn Th— NE MI wow AWg nBe ROpuwk, 1100 Figure3: 3: (a) (a)...normal growth faults large volumes of plume-induced basalt into the central central graben. graben. (b) wanes...of ore fluids into permeable and porous tops of basalt lava flows and interflow sedimentary rocks within...younger younger rift rift and and flood flood basalt basalt sequences. sequences. Interflow sedimentary |  | | Report (volume) | | addition, there are several small occurrences of basalt. The Gem Hill formation is correlated, on the basis...extends southwestward under Quaternary gravel to the outcrops of the schist and limestone in Cottonwood Canyon...closely jointed so that it does not form prominent outcrops. Individual layers 2 feet thick are common, but...small outcrops less than a mile apart at the northeast base of Soledad Mountain. Both outcrops are largely...subplaty slabs, trends northwestward and dips about 45° NE. in the southeastern exposure and is nearly vertical |  | | Report (volume) | | 1). The volcanic rocks at Maple Peak dip 20°-65° NE., with an average dip for the entire section of approximately...tuff. Furthermore, this tuff dips approximately 40° NE., indicating that this unit has a strike and dip...megabreccia. Morris and Kopf (1970a) showed several 85° NE. dips for the megabreccia in the traverse area, but...which are shown on fig. 4), most of which are 45°-85° NE. A well-defined, northeast-dipping layering is an...dip of beds l::ii:J Intrusive latite as ~ Basalt nt~n Megabreccia Jasperoid ~ --Contact :e |  | | Book (volume) | | also quarried a rough, porous flintstone from outcrops, especially around McArthur, Vinton Co., for making...crystals, Fluorite (fluorescent), Pyrite, fossils. GENOA, SE, in area quarries⎯Calcite, Celestite, Dolomite...Bolivar to Zoar Station, as nodules in limestone outcrops⎯flint. VINTON COUNTY AREA: c Swan Twp., on Upper...SOUTHARD, area quarries⎯Borate minerals. WATONGA, NE 6 mi., quarry⎯Borate minerals. WINNVIEW, area scattered...petrified wood, GARFIELD COUNTY ENID, T. 24 N, R. 8 W (NE¼SE¼ Sec. 24), area⎯native Copper. GARVIN COUNTY |  | | Book (volume) | | also quarried a rough, porous flintstone from outcrops, especially around McArthur, Vinton Co., for making...crystals, Fluorite (fluorescent), Pyrite, fossils. GENOA, SE, in area quarries⎯Calcite, Celestite, Dolomite...Bolivar to Zoar Station, as nodules in limestone outcrops⎯flint. VINTON COUNTY AREA: c Swan Twp., on Upper...SOUTHARD, area quarries⎯Borate minerals. WATONGA, NE 6 mi., quarry⎯Borate minerals. WINNVIEW, area scattered...petrified wood, GARFIELD COUNTY ENID, T. 24 N, R. 8 W (NE¼SE¼ Sec. 24), area⎯native Copper. GARVIN COUNTY |  | | Book | | . . . . . . . . . . . . . . . . . . . . . 64 Outcrops, Mining, and Quarrying . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . 253 11.2.3 Basalt/Andesite/Dolerite . . . . . . . . . . . . . . ...USA . . . . . . . . . . . . . . . . . . . . . 87 Basalt hand axe from unnamed wadi near Mine Mueilha, Egyptian.... . . . . . . . . . . . . . . . . . . . . . 89 Basalt hafted hammer from Lake Superior north shore, USA...Jordan, is constructed almost entirely of local basalt . . . . . . . . . . . . . . . . . . . . . . . |  | | Journal (issue) | | rather poor brownish-red jasper could be seen at the NE end of the working face. UK Journal of Mines & Minerals...Mines & 'vlinerals No. 1 1 - JO - BROADSTON E l'V11 NE RALS Quality Minerals - British, European, World-wide...rugged rocky basalt outcrops off the northwest coast of Tasmania. Although the outcrops are only a few...swim. The phillipsite occurs perched on black basalt as rosettes of 1 to 2mm white crystals, averaging...10cm ih length occur as singles or groups on grey basalt. The specimens are very aesthetic, especially when |  | | Journal (issue) | | through a network of informal groups, societies, ne,vsletters and journals. This has had many benefits...yellow botryoidal masses lining large cavities in basalt. Some of this material is transparent enough to...the 1980s. It was associated with pink blocky adularia, white bladed barite and quartz. The locality...attractive hand specimens in red-brown 1ygdaloidal basalt at the little known Barras Quarry .1thwest of Stonehaven...drusy cry tals, were found lining a fi sure in basalt in the remote and inaccessible cliffs of Biod a |  | | Report (volume) | | Sumatra, which was defined by Hutchison (1994). Outcrops of the Medial Sumatra Tectonic Zone (Barber &...basement. All the older rocks, which lie mainly to the NE of the Sumatran Fault System, show some degree of...by Tertiary igneous rocks and is overlain to the NE and SW by volcaniclastic and siliciclastic sediments...proceeded as a series of waves, across the island from NE to SW, with the earliest cycle having occurred in...I I I I I I I I I I I I I I I I I I I I I I I - NE ---~ ~ ,~ I I I I1"1 I I IIII I I I I I I I I I |  | | Report (issue) | | rocks. 1 Colorado School of Mines, Golden, CO. Outcrops, B-horizon soils, and stream sediments were sampled...thick as crusts on rocks recovered from nearby outcrops. Cobalt contents of up to 2.5 weight percent have...that makes geologic mapping dependent upon sparse outcrops and exploration drilling. The glacial tills contain...correlate with high topographic areas that may contain outcrops or very thin overburden. However, high topographic...glacial moraines, filled valleys within bedrock outcrops, and possibly near-surface bedrock conductors |  | | Book (edition) | | .................... 1732 IX.4. Myanmar (Burma), NE India, SW Yunnan (= Sibumasu- West Burma plates)....................................... 2341 IX.14. NE Indian Ocean .......................................................................... 2354 IX.16. NE Australia margin ('Tasmanides') ...................Cenozoic stratigraphic successions in NE Java, Jambi-Sumatra, NE Sumatra and E Kalimantan. One of first...belt continues S to E Australia through Cape York, NE Queensland to New England Fault Belt. Syn-collision |  | | Report (issue) | | area. Grassy area in foreground with scattered outcrops of upper Hazelton Group siltstones and feldspathic...Group (Miocene to Pleistocene) olivine-phyric basalt outcrops observed in the field marked with ‘X’. The...A unit of plagioclase-hornblende-pyroxenephyric basalt, possibly a sill, was identified at one location...the top of a set of limestone and calcarenite outcrops that extends part way down to the river. The sample...passive margin deposits. Massive basalt Limestone Pillow basalt Maroon and green chert Gabbro Sandstone |  | | Report (volume) | | eike cba hace a eg es Se ee nee ek ae ce ae ae ae Ne ie ek eae eats 239 13. Porphyry copper-gold deposits... cami aleGis TA AWAMIS Sat Secs a hia set's get ne toe a ee eer eiee mee The Red-Chris porphyry copper-gold...gin Vos Ss « « Bugle S-d wetter SRA Gc ee a 2 ie ne eer 54. Kitsault (Lime Creek) molybdenum mine,...deposit is preserved beneath a capping of Miocene basalt. Much of the ground between Bethlehem and Gnawed...almost every geologist working in the province. The outcrops did not excite much attention until sampled by |
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