 | | 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 |  | | Report (issue) | | columns DIABASE (Miocene or Pliocene) Dikes and sills of predominantly finegrained, pyroxene diabase, hornblende-pyroxene...hornblende-pyroxene diabase and hornblende rich mafic rock. Includes reddish brown, resistant diabase dikes as well...have weathered to form soft, loose brown soils. Diabase both intrudes, and is cut by, fault zones SEDIMENTARY...containing phenocrysts of biotite, plagioclase and quartz in glass matrix Welded Tuff and Vitrophyre Welded...rhyolite. Tuff contains grains of plagioclase, quartz, and biotite in chalky, siliceous to clayey devitrified |  | | 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...medium-grained, with orthoclase, microcline, oligoclase, quartz, and biotite as its chief constituents. The remarkable...Extension Mine show. Hand specimens from contact outcrops often show fairly well on a small scale the different |  | | Report (volume) | | deposition_-______________________________________ Diabase (Precambrian?)____-__-__-____--__--_----_--_--_--_-_______...feet. Few argillite beds are free from clastic quartz which locally is sufficiently abundant to warrant...predominantly clay, but some are mainly very fine grained quartz, and others are mixtures. The formation is about...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 |  | | 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...Quaternary Pt la - muscovite quartz schist with marble intercalations Pt lb quartz schist, sericite schist...schist A - muscovite plagioclase gneiss, quartz schist biotite granite Z Sinian. FIGURE I. Map of regional |  | | Report (issue) | | _________________ _ Lost Gulch quartz monzonite_ . .: _____________ _ Diabase __________________________________...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...of granite and quartz monzonite. There were extensive intrusions of a biotite-quartz diorite, known as...which is a coarse-grained rock most commonly of quartz monzonitic composition. There are also smaller |  | | 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 |  | | Report (issue) | | structure like piles of inverted bowls C. Granules of quartz, magnetite and amphibole, side by side in the lower...several horizons recognized as clearly as the outcrops 26 XI. A. Drag folds in the upper slaty beds,...of N.E.! sec. 25, T. 60 N., R. 13\V., showing outcrops and (in broken lines) the structures supposed...W. corner sec. 26, T. 60 N., R. 13 W., showing outcrops and (in broken lines) the structure supposed to...the iron formation south of Birch Lake, showing outcrops and dips, which are extended underground..... |  | | 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...(Streckeisen, 1973) whose dominant minerals are quartz, plagioclase, and potassium feldspar; epidote, |  | | Report (Issue volume) | | igneous rocks, or clearly associated with Triassic diabase. As with the Paleozoic group, a younger age limit...Cornwall-type magnetite I ,000,000,000 Copper adjacent to diabase 1,000 Copper in Triassic redbeds 1,000 Phoenixville...production has come from the Bamford and Sinking Valley deposits of similar 1 type. The Gap nickel mine...Triassic diabase. Cornwall-type magnetite-copper deposits. Cu in Triassic sediments adjacent to diabase, and...Cu in Triassic sediments distant from diabase. Zn-Pb-Cu in quartz veins cutting Triassic and Precambrian |  | | Report (issue) | | ...........................................19 Diabase Dikes .......................................................................................57 Quartz .................................................vicinity of the mine, Precambrian amphibolites and quartz-biotite schist of the amphibolite complex are overlain...lower series of this complex includes andesite and quartz latite flows, breccias, and tuffs (the andesitic...older rocks. Quaternary alluvial gravels cover the valley bottoms and terraces, and mud-flows form fans in |  | | 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 |  | | 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 |  | | Report (issue) | | Gooseberry River, 300 feet below Highway No. r B. Valley of the Baptism River C. Falls of the Baptism Rivel'... . . . . . . . .. VI. A. Columnar jointing in diabase. Harbo'r at Grand Marais B. Abandoned shore line...northern portion to October 5 along the Mississippi Valley. Thus the longest growing season is 160 days and...CONDITIONS IN, AND GEOLOGY OF, MINNESOTA 7 Minnesota Valley, one being 011 the western edge of the state and...Lakes Traverse and Bigstone into the Minnesota Valley. The drainage to the south, or Gulf of Mexico. |  | | Journal (article/letter/editorial) | | against this interpretation. Irregular shapes of diabase bodies and intrusion of sedimentary veins into...set at 2.2 Ga, based on the age of the Nipissing diabase intrusions. One of the criteria used in support...SIC are exceptionally well exposed in glaciated outcrops near the village of Whitefish Falls, which is...locations of some breccias and irregular shapes of diabase (amphibolite) bodies in argillite of the Gowganda...folded. The breccias commonly occur near diabase outcrops but in certain areas (especially at the west |  | | Report (Issue volume) | | Lawrence Lawrence Lawrence Bessemer Enon Valley Enon Valley Wampum 87 88 89 90 91 92 93 94 95 Lawrence...igneous rocks, or clearly associated with Triassic diabase. As with the Paleozoic group, a younger age limit...Cornwall-type magnetite I ,000,000,000 Copper adjacent to diabase 1,000 Copper in Triassic redbeds 1,000 Phoenixville...production has come from the Bamford and Sinking Valley deposits of similar 1 type. The Gap nickel mine...Triassic diabase. Cornwall-type magnetite-copper deposits. Cu in Triassic sediments adjacent to diabase, and |  | | Report (volume) | | schist-..---.--. ____------__-_--_----__------------Quartz-muscovite schists._________________________________...phase of mica schist.____________________________ Quartz-mica schist of Mesa Creek__---_-__---__---_---___-Derivation...Quartzdiopite -___________________--__--___-____-_-___ Quartz diorite and diorite_-___________________---__--__-_____..._____-_______-___-___-_---------------------_ Diabase _________-__------_---------------__----------------Occurrence...topographic maps, a topographic map of the Uncompahgre Valley and adjacent territory made by the United States |  | 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 |  | | Journal (article/letter/editorial) | | pebbles in alternating middle Jatulian gravels and quartz conglomerates (rhythm IV; 252 measurements); Letneozero...from alternating middle Jatulian quartzites and quartz conglomerates (398 measurements); Kumsa synclinal...from alternating middle Jatulian quartzites and quartz conglomerates (110 measurements); northeastern...with ripple marks of different types; also quartz and quartz-granite conglomerates, silt stone breccias...quartzitic sandstones and quartzites with beds of quartz conglomerates and serieitic schists. The lithology |  | 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 |  | | Journal (article/letter/editorial) | | species found by the author. . 1973. Collecting rose quartz and other minerals on Plumbago Mountain. Rocks...to develop what was thought to be a gold-bearing quartz vein. King, V. T . 1977a. World news on mineral...Carbonation-hydroxylapatite from Newry's Dunton Gem quarry; quartz and ankerite from road cut at Mexico. . 1977b....Minerals 52:486-90. Fluorapatite, bertrandite, quartz, and fibrous green elbaite from the Havey pegmatite...occurrences. Rocks and Minerals 60:227-29. Rose quartz crystals at Newry. Lasmanis, R. 1958. My mineral |  | Deasy, G. F., Griess, P. R., Balazik, R. F., Burtnett, J. W. (1967) Atlas of Pennsylvania’s Mineral Resources - Supplement, Limestones and dolomites of Pennsylvania, in Atlas of Pennsylvania's Mineral Resources. Mineral Resource Report M50-1S, Pennsylvania Geological Survey. | Report (Issue volume) | | Limestone Co. Plant No. 9, Penn-Dixie Cement Corp. Valley View Lime Co. Belle Mine, The Warner Co. Whiterock...Limestone Co., Inc. Paoli Quarry, The Warner Co. Valley Forge Stone Co. Bradford Hills Quarry, Inc. Cedar...Inc. Locust Point Quarries Shippensburg Quarry, Valley Quarries, Inc. Geo. E. Ebersole and Sons Steelton...Dry Run Quarry, New Enterprise Stone and Lime Co. Valley Quarries, Inc. Zullinger Quarry, Fry Coal and Mart...Lawrence Lawrence Lawrence Bessemer Enon Valley Enon Valley Wampum 87 88 89 90 91 92 93 94 95 Lawrence |  | | 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...protected from erosion. The sandstone contains rounded quartz and feldspar grains with some mica cemented by...14), the pebbles of which consist of pure vein quartz. In addition, near the town of Pori, sandstone |  | | Report (issue) | | Figure 15.1 (p.82) should show the line oflow-Ti0 2 diabase in Pennsylvania and Maryland extending down to...New England magmatic province. The Ware dikes are quartz-normative, lowTi02. On the explanation (p.83),...of hypothetical early Mesozoic basin containing diabase intrusions and basalt flows. Add the following...Geochemical and petrologic features of some Mesozoic diabase sheets in the northern Culpeper basin, by David.................. 86 17. Petrology of the Boyds diabase sheet, northern Culpeper basin, Maryland, by Paul |  | | Report (volume) | | _______ Biotite-quartz-feldspar gneiss__-------_-__--__--__._-___ Oligoclase-quartz-biotite gneiss._...(pre-Cambrian)-______-_----_.____________________ Quartz diorite and related facies_.___________________________...pre-Cambrian igneous rocks___.._---___.___-__---___ Diabase (Triassic ?)__________.________________________________...____________________________________ 266 60. Lineation in biotite-quartz-feldspar gneiss________________ 267 61. Polished...these rocks, which were intruded successively by quartz diorite, albite-oligoclase granite, and hornblende |
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