 | Ulrych, Jaromír, Ackerman, Lukáš, Balogh, Kadosa, Hegner, Ernst, Jelínek, Emil, Pécskay, Zoltan, Přichystal, Antonín, Upton, Brian G.J., Zimák, Jiří, Foltýnová, Radana (2013) Plio-Pleistocene basanitic and melilititic series of the Bohemian Massif: K-Ar ages, major/trace element and Sr–Nd isotopic data. Geochemistry, 73 (4) 429-450 doi:10.1016/j.chemer.2013.02.001 | Journal (article/letter/editorial) | | of Sciences of the Czech Republic, Rozvojová 269, 165 00 Praha 6, Czech Republic Institute of Nuclear...Praha 2, Czech Republic e Faculty of Science, Masaryk University, Kotlářská 2, 611 37 Brno, Czech Republic...University, 17. listopadu 12, 779 00 Olomouc, Czech Republic b a r t i c l e i n f o Article history:...the Plio-Pleistoicene basanitic series in the NMS region indicate that they shared a common mantle source... 2007), and even less for northern Moravia and Czech Silesia (Šibrava and Havlíček, 1980; Foltýnová |  | | Report (volume) | | Maimon-Hatillo District Dominican Republic GEOLOGICAL SURVEY BULLETIN 964-D Geology and Mineral...Mineral Resources of the Maimon-Hatillo District Dominican Republic By A. H. KOSCHMANN and MACKENZIE GORDON...for Agriculture, Industry, and Labor, Dominican Republic, under the auspices of the Interdepartmental Committee...________________________________________._____ - Magnetite deposits._______________________________________...ILLUSTRATIONS Page PLATE 18. Index map of the Dominican Republic.--------------- (In pocket) 19. Geologic map and |  | | Book | | localities for good ilmenite crystals exist in the region (Brunet, I 977b ). NEW YORK Amity, Orange County...Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series of incompletely...assemblage of the vein-dike consists of ilmenite. magnetite, anatase, biotite, microcline and minor fluorapatite...in Switzerland, it is only in the Maderanertal region of east-central Canton Uri that clefts bearing...clefts are found fairly commonly throughout this region, such that only a handful of notable finds during |  | | Report (issue) | | a brief account of the general geology of the district, special emphasis being laid on small ultra-basic...occurrence of coal in the northern parts of the Kitui district. Mr. Crowther made a special investigation of...units .. Fig. 2.—Geological Sketch of Kamuthengi hill Fig. 3.—Diagrammatic microscope drawings Fig. 4...and lies in the northern portion of the Kitui district of the Southern Province of Kenya, forming part...19Ö3)*. At Kibui (southwest of Kiormo ?) he found a hill of crystalline limestones, some of which he observed |  | | Report (issue) | | sections (5B_) of Middle Butte, East Butte, and an unnamed rhyolite dome....... 6. 31 33 Cumulative curve...brief, general discussion of the geology of that region is given here. The ESRP is a broad, flat lava plain...and others, 1979) covers a roughly rectangular region about 80 km long and 43 km wide in southeastern...intervening alluviated valleys. The mountain region north of the Lava Ridge-Hells Half Acre map area...circular in outline (unnamed vent between Kettle Butte and Tanner Butte, unnamed vent between Little Butte |  | | Report (issue) | | _-------------------------Minerals in the iron-formation -------Magnetite ----------------------Hematite -----------------------Martite...--------------------Oxide facies ------------------------Magnetite-banded rock ----------Hematite-banded rock -----------Silicate...------------------------Carbonate-magnetite rock --------Carbonate-silicate rock ----------Magnetite-silicate rock --...----------Carbonate-magnetite-silicate rock __ Riebeckite-bearing rock ----------Lithology and stratigraphy...----------------Introduction ____________________ _ Magnetite-carbonate-silicate-chert iron-formation ----- |  | | Book (volume) | | Port Renfrew Leechtown area Gulf Islands Cobble Hill Mount Sicker Cowichan Valley Chemainus Valley Ladysmith...more lava rose and spread outwards, the entire region was covered in such thick layers that after 5 million...PeaceOmineca in 1869; and finally the Cassiar district in 1872. 2.3 A NETWORK OF CIVILIZATION DEVELOPED...(and to read when your partner is still away up the hill). A magnet and streak plate (unglazed bathroom...first sample. Examples are bauxite, named after the region near Baux in France where it was first identified; |  | | Report (issue) | | Mo and W-Mo-Be skarn deposits northwest of Mine Hill and south of Middle Hills. At a cut-off grade of...16. Mines and prospects in the Victorio mining district, Luna County. ........... 38 FIGURE 17. Simplified...Relative paragenetic sequence for the Victorio mining district showing the mineral relationships and alteration...Mineral zonation in the Victorio Mountains mining district. ...................... 46 FIGURE 22. Ribbon rock...Mountain in the Cuchillo Negro district, Santa Fe district, and Mora district is unknown. .............. |  | | Book (volume) | | is arguably the most important gem-pegmatite district in North America. Its wealth of tourmalines, morganites...rule is usually true only for special items from a region. The common minerals are not usually thus affected...specimens sell for a premium is that visitors to a region seldom arrive when the supply of minerals is being...from Mount Apatite. There are many quarries on this hill but most collectors, unaware of this fact, simply...Hampshire Dennis Durgin, Hebron, Maine Hugh Durgin, Blue Hill, Maine John Ebner, Manasquan, New Jersey Ellen Faller |  | | Report (volume) | | galena that had been recently found in the Tenmile district, Summit County. In his booklet, which today would...number of rare minerals in the alkalic rocks of Iron Hill, Gunnison County. Colorado pegmatite bodies, considered...Indications of the principal metals produced by each district will give the knowledgeable collector some hints...hints as to the principal ore minerals in each district. I have made no attempt to list directions to the...LOCALITIES BOULDER COUNTY Locality 1.-Gold Hill district, Copper King mine. Bravoite, cobaltite, garnierite |  | | Report (issue) | | accepted at the present time. In the meantime R. T. Hill visited Panama in 1895, before the second French...(1898) was supported by paleontologic work by Dall. Hill thought the oldest strata, probably pre-Tertiary...overlies the Culebra. Marine deposits in the same region formerly identified as the Culebra formation,...studied and it may be a long time before the entire region is adequately studied. The systematic paleontology...240-245, New York. Fossils were observed at Monkey Hill [Mount Hope] but not at Gatun. Conrad, T. A., Report |  | Tosdal, R.M., Eppinger, R.G., Erdman, J.A., Hanna, W.F., Pitkin, J.A., Blank, H.R., O'Leary, R. M., Watterson, J.R. (1990) Mineral resources of the Cactus Plain and East Cactus Plain Wilderness Study Areas, La Paz County, Arizona. Open-File Report Vol. 1990 (90-510) US Geological Survey doi:10.3133/ofr90510 | Report (issue) | | Cactus Plain Wilderness Study Area and surrounding region. 29 Residual total-intensity aeromagnetic map of...Areas, Arizona. 31 Aeromagnetic anomaly map of region northwest of lat 34* N., long 114* W. that includes...of production data for mining districts in the region surrounding the Cactus Plain and East Cactus Plain...within the northern part of the Plomosa mining district (Northern Plomosa and Bouse mineral districts)...Wilderness Study Area is in the Midway mining district. The Cienega and Santa Maria mining districts |  | | Report (issue) | | rocks of North America under the colliding Bronson Hill volcanic arc (Stanley and Ratcliffe, 1985). The...commonly give the rock a pinstripe appearance. Magnetite and pyrite occur sporadically. The metawacke is...biotite, and chlorite are rare, but present. Magnetite and pyrite occur sporadically. The schist grades...Apatite Hornblende * Opaque minerals include magnetite, ilmenite, pyrite, and chalcopyrite. The 'n" indicates...and small veins parallel to the schistosity. Magnetite and pyrite may or may not be visible in hand sample |  | | Report (issue) | | .......................... 34 Andesite of Ski Hill..................................... ( 36 Andesites...Sequence................................. 83 Ski Hill - Conard Sequence........................... 83...fractionation involving olivine, augite, plagioclase, and magnetite and later hypersthene. Continued fractionation...rocks of the Chico Formation underlie the Lassen region. The Montgomery Creek Formation of Eocene age unconformably...plagioclase, pyroxene and magnetite microlites in glass charged with magnetite dust. Outcrops are deeply |  | | Journal (article/letter/editorial) | | with a population of up to 870 (1840). Known as hill farms because they were located in the foothills...cultural changes in the United States due to the war, hill farming died out and the population contin ued...bottom of Hall's Brook Road (which leads up the hill from Rumney to North Groton) also brought employment...Seboomook Formation in the Oxford County pegmatite district. In the North Groton area, the metamorphic rocks...Ferrocolumbite Ferrotantalite Goethite Hematite Magnetite Pyrolusite Todorokite Uraninite Vandendriesscheite |  | | Journal (article/letter/editorial) | | plagioclase, pyroxene and magnetite. The basaltic andesites occur on isolated unnamed hill east of the relatively...relatively larger Pantama Hill (Fig. 2). The amygdaloidal basaltic andesites whose vesicles are filled with...uralitized pyroxene are found on the northern end of the hill which is contact with potassic granites of Mbaga...Lupa terrane Usagaran garanodiorite Usagaran Sao Hill rhyolitic agglomerate Usagaran garanodiorite near...biotite, hornblende, plagioclase, pyroxene, and magnetite. Zircon grains are ovoid in shape with lengths |  | | Report (issue) | | and Mantling AmmonoosU;c Volcanics of the Bronson Hill Anticlinorium, New England Appalachians U.S. GEOLOGICAL...and Mantling Ammonoosuc Volcanics of the Bronson Hill Anticlinorium, New England Appalachians By GERHARD...and mantling Ammonoosuc Volcanics of the Bronson Hill Anticlinorium, New England Appalachians I by Gerhard...19.19:1516 1. Intrusions (Geology)-New England Region. 2. Geology, Stratigraphic-Ordovician. 3. Geology...Stratigraphic-Silurian. 4. Geology-New England Region. I. Title. II. Series. QE611.5.N49L46 1991 551 |  | | Report (issue) | | and for his work on the geology of the Boston region. ‘Although an authority in these areas, he prefers...India, Coal and Mining Jour., The New Sketch, Republic Day Spec. No., Jan., p. 11-19. (and Chasen, E...India, Coal and Mining Jour., The new sketch, Republic Day Spec. No., Jan., p. 24-31. Pseudoapparent...Cambrian sedimentary rocks. The Quincy Granite and Blue Hill Granite Porphyry were injected into the horizontal...the Construction Division of the Metropolitan District Commission. These tunnels, 3.0 to 3.7 m in diameter |  | | Report (volume) | | calcareous shale and shaly limestone, and the Smoky Hill Shale Member, which consists of dark-gray yellow...amounts of biotite. Other minerals, including magnetite, muscovite, sphene, garnet, chlorite, and apatite...Minor accessory minerals include hornblende, magnetite, chlorate, muscovite, apatite, sphene, epidote...Permian or Triassic: the mapped area lies in the region of the ancestral Rocky Mountains, and rocks older...calcareous concretionary masses. 0-2, 400 Smoky Hill Shale Member Fort Hays Limestone Member Brown |  | | Report (volume) | | upstream from St. Francis, Maine, has shown the region to be underlain by low-grade regionally metamorphosed...thin deposit of glacial drift over most of the region. Small outwash deposits are scattered; a few larger...are indicated by truncated and offset beds. The region contains large potential resources of dimension...present along the major streams. Relief in the region is variable. (See pi. 1.) In the northeast, mountains...planes. Lumbering is the principal industry of the region; both multiple-use logs and pulpwood are produced |  | | Journal (volume) | | Oulu, the major part of it being in the historical region of Kainuu, which has Kajaani as its commercial...north. The exception is Paljakkavaara, an isolated hill that trends W-E in the northeastern corner of Map...the plain of the Kalhamajarvi Complex towards the hill of Jaurakkavaara showing the topographic contrast...Harma (1986) as including the quartzites of the hill at Lukkarinvaara, at the boundary between the parishes...Puolanka and Pudasjarvi, west of Siikavaara. This hill is the only place where the formation crops out |  | | Report (issue) | | River Formation and Puget Group_______________ Unnamed volcanic rocks_________________________ Upper Tertiary...locally intertongues with, a thick section of unnamed volcanic rocks that farther east constitute most...Fossil leaves from the main lower part of the unnamed volcanic rocks were assigned to the upper Kummerian...flank of the Cascade Range. The central business district of Seattle is about 11 miles northwest of the...restricted forest roads, especially John Buchanan, District Forester for the Washington Department of Forestry |  | | Report (volume) | | Gospel Hill gneiss_ _ _ _ _____ ___ __ __ __ ________ __ _____ __ __ Unnamed gneiss at Bare Hill Pond_...the Harvard conglomerate lentil at north Vaughn Hill, Bolton__________________________________ 9. Harvard...Vaughn Hill, Bolton____ 10. Minor folding in quartzite of the Vaughn Hills member near Vaughn Hill Road...______ 18. Photomicrograph of migmatite at Bare Hill Pond, Harvard___ 19. Photomicrograph showing chloritoid... 22. Cross section of exposure near Rattlesnake HilL _ _ __ _ _ _ _ _ _ _ 23. Diagrams illustrating relationships |  | | Report (issue) | | MINERAL RESOURCES OF WILDERNESS STUDY AREAS: HAVASU REGION, ARIZONA U.S. DEPARTMENT OF THE INTERIOR MANUEL...-(Mineral resources of wilderness study areas-Havasu region, Arizona : ch. D) (U.S. Geological Survey bulletin...Areas, La Paz County, Arizona, and surrounding region Dl8 5. Residual total-intensity aeromagnetic map... Arizona, and surrounding region D20 7. Aeromagnetic anomaly map of region northwest of lat 34o N .,...mineral districts within ihe mining districts in the region surrounding Cactus Plain and East Cactus Plain |  | | Report (issue) | | . . Frontispi,:ce . II. Geological Map of the region around Glen Ashdale, Whiting . Facing page 128...highest hill in the central area is Cnoc a' Chapuill (r369 feet) ; Cnoc na Dail, a prominent hill to the...(1107 feet) . Cnoc Ballygown (735 feet) is a steep hill overhanging the valley of the Black Water ; and...and Borrach (869 feet) are prominent hills in the region behind Whiting Bay. The coast is for the most part...waterfall occurs in this stream east of Auch enhew Hill. On the east side of the island the Monamore Burn |
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