 | | Report (volume) | | deposition_-______________________________________ Diabase (Precambrian?)____-__-__-____--__--_----_--_--_--_-_______...Missoula. Sills, dikes, and stocklike bodies of diabase of probable late Precambrian age constitute the...tectonic lineaments: one, the Mathead-Bitterroot Valley line, trends northward just west of the quadrangle...quadrangle diagonally. The Flathead-Bitterroot Valley line seems to separate areas of contrasting structural...The flat valley floor of the Clark Fork averages a little more than a mile wide, and the valley floors |  | | Report (issue) | | ...........................................19 Diabase Dikes ...........................................older rocks. Quaternary alluvial gravels cover the valley bottoms and terraces, and mud-flows form fans in...followed as closely as possible during mapping. All outcrops over 50 by 50 feet in size were delineated. All...1 foot wide also were mapped. Smaller isolated outcrops that could not be shown on the map were included...included with the cover. Locally small, isolated outcrops surrounded by a large area of cover (soil, talus |  | | Journal (article/letter/editorial) | | granite intrusion; and (3) those associated with diabase and traps. The present writer believes that all...Granite, with minor quantities of diorite and diabase, occupies approxi mately two thirds of the area...—Granite, the most widespread rock of the region, outcrops parallel to the southwest-northeast-trending coast...Extension Mine show. Hand specimens from contact outcrops often show fairly well on a small scale the different...Besides orthoclase, acid plagioclase (oligoclase-albite) is subordinate. These feldspars are partially |  | | Journal (article/letter/editorial) | | and Proterozoic schists, as well as extensive outcrops of younger biotite granite in the northern section...faults are intermittently distributed gabbro and diabase bodies of various size and shape. They form a 120... 1). - alkaline-basic rock body 1 - gabbro-diabase rock - deep rupture and great fault - garnet amphibol...sub-belt at the north margin of the belt; gabbro-diabase is present as stock; also occurring are the late...the belt, a series of WNW-trending gabbro-diabase outcrops. 3. The alkaline-basic rock sub-belt is distributed |  | | Report (volume) | | Triassic and Jurassic Systems ••••••••••••••• 34 Diabase • • • • • • • • • • • • • • • • • • • • • • • •...rifting accompanied by intrusion of swarms of diabase dikes. These events were precursory to the opening...rocks is a few kilometers east of the quadrangle. Diabase dikes of Triassic and Jura~sic age intrude the...as is discussed in a later section. Swarms of diabase dikes, many 4 GEOLOGY OF·MARSHALL QUADRANGLE...resistant to weathering than the volcanic breccias. Outcrops are fewer, and the cover of soil and underlying |  | | Report (volume) | | and related facies_.___________________________ Albite-oligoclase granite._-_-________-____-____.:_---__-__-_...pre-Cambrian igneous rocks___.._---___.___-__---___ Diabase (Triassic ?)__________.________________________________...which were intruded successively by quartz diorite, albite-oligoclase granite, and hornblende granite and...pre-Cambrian rocks are intruded locally by small diabase dikes of Triassic(?) age, and are overlain along...quartz diorite has a granoblastic texture; the albite-oligoclase granite is partly deformed but for the |  | | Report (volume) | | _____-_______-___-___-_---------------------_ Diabase _________-__------_---------------__----------------Occurrence...topographic maps, a topographic map of the Uncompahgre Valley and adjacent territory made by the United States...States .Reclamation Service to show the Uncompahgre Valley project, and for the area east of the 107th meridian...first authentic information concerning the Gunnison Valley is contained in the reports of the explorations...and flows west and northwest through the great valley between the San Juan Mountains on the south and |  | | Journal (article/letter/editorial) | | a variety of nepheline syenite containing major albite and orthoclase, minor dark biotite, and, in some...Standpipe Hill, Topsham; gray-blue fluorap atite, albite, and autunite as highly fluorescent coatings from...mineral occurrences. Rocks and Minerals 54:63-66. Albite from Mt. Mica, Paris; cookeite, Harvard quarry...Greenwood, compared with other localities, and albite crystals, polysynthetically twinned, from the Guy...formed from evaporating sea water, as crusts on diabase outcrops near Seapoint on Cutts Is land. . 1950b. |  | | Journal (issue) | | T etrahedrite, Gottesg~be Mine, Roth, Nassau, Germany ; Celesttte, Giona Mine, Girgenti, Sicily, Italy...compressed air, pass under the river. vated in the diabase of the Palisades. When this tunne:l is mentioned...passing beneath the river. Actually the graphy. A valley _runs north an~ so~th, under-river section is only...fa ult on the west side of Kings Bluff into the diabase, and before reaching the ventilation shaft at the...the east side of Kings Bluff pass out of the diabase again into the shales and sandstones. At the ventilation |  | Wang, Yaying, Zeng, Lingsen, Asimow, Paul D., Gao, Li-E, Ma, Chi, Antoshechkina, Paula M., Guo, Chunli, Hou, Kejun, Tang, Suohan (2018) Early Cretaceous high-Ti and low-Ti mafic magmatism in Southeastern Tibet: Insights into magmatic evolution of the Comei Large Igneous Province. Lithos, 296. 396-411 doi:10.1016/j.lithos.2017.11.014 | Journal (article/letter/editorial) | | Beijing PT E D 100037, China ABSTRACT: The Dala diabase intrusion, at the southeastern margin of the Yardoi...U-Pb geochronology results to show that the Dala diabase was emplaced at ~132 Ma and geochemical data (whole-rock...confirm that the Dala diabase intrusion is part of the Comei LIP. The Dala diabase can be divided into...low-Ti basaltic rocks from a relatively large diabase intrusion in the Dala area, Tethyan Himalaya, ...identified magmatic evolution path is common to other outcrops in the Comei LIP. The broader overall goal is |  | | Report (issue) | | Lost Gulch quartz monzonite_ . .: _____________ _ Diabase __________________________________ _ Diorite porphyry...Structure along the Old Dominion vein fault___ Globe Valley block______________________________ Inspiration...sedimentary and volcanic rocks and the intruded diabase ___________ _ 4. Idealized section of the Martin...quartz monzonite, extensive sills and dikes of diabase intruded mainly into the formations of the Apache...intercalated with thin flows of olivine basalt, filled the valley between the Pinal Mountains and Apache Peaks. · |  | | Journal (volume) | | typcs are peraluminous topazbearing microcline-albite granites, in which the dark mica is lithian siderophyllite..... . .................•..... . . Intergranular albite in the Väkkärä granite ..... . .... . .......•...formations are as folIows: App roximatc age - olivine diabase ...... ..... . .......... ...... . ... . Jotnian...nearly vertical. Breccia is visible in some contact outcrops. In some places there also occur more indistinct...following description, the locat ions of important outcrops and sampIes of the Eurajoki area are given by |  | | Report (issue) | | limestones the shales, etc., most. effect of a diabase dike may be practically nil, where under other...pyroxenes: silicates, orthoclase, microcline, albite, oligoclase; Meta- hornblende; Orthosilicates...Trisilicates, feldspars: orthoclase, microcline, albite, oligoclase, andesine; Metasilicates: Orthosilicates:...Zeolites are of common occurrence in the Triassic diabase quarries of Adams, Lancaster, Berks, and ; Hydrous...Trisilicates, feldspars: orthoclase, microcline, albite, oligoclase; Mela- m pyroxenes: spodumene;' amphiboles: |  | | Report (issue) | | and Rocks Intermediate between Red Granite and Diabase ....................... . 40 Small Dikes and Veins...Rock Lighthouse, Located on an Anorthosite and Diabase Cliff . . . . . . . . . . . . . . . . . . . . .... . . . . 4. Typical Shore Line of Beaver Bay Diabase. Anorthosite Hill on the Sky Line............................................ 5. Valley of the Baptism River. Diabase Hills in the Distance.... 6. Beaver...Beaver River at Low Stage, Flowing over Diabase Talus. . . . .. 7. Falls of the Baptism River, Flowing |  | | Journal (article/letter/editorial) | | 25o,oooouncesper annum. SPACE RELATIONS OF DIABASE AND SILVER DEPOSITS. The importantsilver depositsof...faults in sedimentsbeneath the sills and in the diabase, pointingto structuralcontrolas the main feature...ore. Where veins do occur in the Keewatinand diabase,manyof themcontainvery high-grade ore. At a few...Important upper-contactore bodies were in the diabase and overlyingKeewatinformations. At the Beaverand...Timiskaming minesthe veinswere near a sharpcurve in the diabase-Keewatin contact. In'South Lorrain, the commercialore |  | | Journal (volume) | | N:o 152 ON CONTACT PHENOMENA OF THE SATAKUNTA DIABASE BY AARNO KAHMA HELSINKI 1951 GEOLOGINEN TUTKIMUSLAITOS...FINLANDE N :o ON CONTACT PHENOMENA OF THE SATAKUNTA DIABASE BY AARNO KAHMA HELSINKI 1951 152 Helsinki 1951...rocks, viz. , rapakivi granite, sandstone, and diabase. The rapakivi granite, a reddish , porphyritic...the other hand, is penetrated by dark olivine diabase which, from numerous contact observations, is the...200 000), especially of the distribution of the diabase in the southern part of the area. In his map of |  | Hausrath, E.M., Navarre-Sitchler, A.K., Sak, P.B., Williams, J.Z., Brantley, S.L. (2011) Soil profiles as indicators of mineral weathering rates and organic interactions for a Pennsylvania diabase. Chemical Geology, 290 (3) 89-100 doi:10.1016/j.chemgeo.2011.08.014 | Journal (article/letter/editorial) | | rates and organic interactions for a Pennsylvania diabase E.M. Hausrath a,⁎, A.K. Navarre-Sitchler c, 1,...September 2011 Editor: J.D. Blum Keywords: Basalt Diabase Weathering Trace elements Biosignature a b s t...importance, however, few reports of basalt or diabase and gabbro weathering rates exist in the literature...profiles measured through regolith on a Jurassic diabase dike in south-central Pennsylvania, we calculate...basaltic rocks or rocks of basaltic composition (e.g. diabase, gabbro) exist in the literature (Gardner et al |  | | Report (issue) | | Structural Geology. The Penokean Orogeny. Nipissing Diabase. Late Penokean Orogenic Events. The Hudsonian Orogeny...Espanola. 111 Espanola Municipal Centennial Park. 111 Outcrops along Highway 68. 112 House Lake Gold Prospects...and Quirke Mines Access Road. 165 Serpent River Valley. 167 Quirke Lake. 167 Islands in Quirke Lake. 168...schist and quartzite. 25. Coarse grained dioritic diabase. 26. Massive amphibolite with garnet crystals....Formation. 31. Croker Island complex. 32. Keweenawan diabase dike. 33. Lipalean surface. 34. Manitoulin - Niagara |  | | Report (issue) | | .............................. 225 Mississippi Valley-type Pb-Zn deposits, by D.L. Leach, J.B. Viets...Their Compounds in the Environment: Weinheim, Germany, VCH, p. 971-1014. Filipek, L.H., Nordstrom, D...Their Compounds in the Environment: Weinheim, Germany, VCH, p. 751-774. Leventhal, J. and Taylor, C....alfalfa and soil under field conditions, San Joaquin Valley, California: Journal of Environmental Quality,...Their Compounds in the Environment: Weinheim, Germany, VCH, p. 803-851. Storm, G.L., Fosmire, G.J., and |  | | Journal (issue) | | XI line. mass. 3 ½ x2 ... . 2.50 PHARMACOLITE, Germany. Minute radiated tufts w . Siderite on rock. 3x2...EOSPHOR ITE, Maine. Minutely xld. in cavi ty of Albite. 3 x2 ............ . 3.00 ANDRADITE, Vasko, Hungary..... 3 POSSIBLE DRAINAGE CHANGES IN THE LEHIGH VALLEY AS SUGGESTED BY AN INVESTIGATION INTO THE ORIGIN...dams that are now being built in the Tennessee Valley and on which he did the geology in 19,28-1929....deposits in the Erzgebirge of Czechoslovakia and Germany which according to news- ROCKS AND MINERA paper |  | | Journal (issue) | | Platte River as it carved the now broad North Platte Valley from the original Miocene and Pliocene beds. The...gravel were left scattered throughout the broad valley as the stream bed continually changed its course...gravel beds throughout the entire North Platte Valley are the same as those found at Bayard because of...the quartz mjnerals of the entire North Platte Valley. Numerous representatives from each of the three...where the shingle terminates at both ends, diabase outcrops begin. The locality was visited by the writer |  | | Book | | 143; Pre-Late Triassic Peneplane, 153; Connecticut Valley Lowland, 159; The Cretaceous Record, 163 V. SEVENTY...Features Seen in the Southern Part of the Connecticut Valley Lowland 220 227 232 240 247 252 263 213 Bibliography...known as an outcrop. In Metropolitan New York, outcrops are most accessible in parks or along highways...readily discernible to the unaided eye. Granite and diabase, both seen in Metropolitan New York, are good examples...peridotite or Pyroxenite intrusive granite diorite diabase peridotite or Pyroxenite intrusive felsite |  | | Thesis/Dissertation | | Granite The Granodiorite 21 vi The Diabase Dykes . The Diabase Sill and Actinolite-Magnetite Veins...FIGURE 3: a) b) . 26 ACF Diagram for the Albite-Epidote-Hornfels Facies 4: 14 ACF Diagram for...SERIES EVENT Intrusion of Diabase sill U/Ag Mineralisation o Intrusion of Diabase dykes M o Faulting...area and are of widespread occurrence. dipping, diabase. The most common type is steeply up to 100 feet...more than one), A sill-like body, of quartz diabase outcrops at many places between Echo Bay and the head |
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