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| “Franciscan assemblage” including outcrops of serpentinite, basalt, limestone, ribbon chert, graywacke sandstone...reservoir dams of the Santa Clara Valley Water District. In addition, stops include examination of an...this report. Both the Santa Clara Valley Water District and the Santa Clara County Parks and Recreation...of this exit. Easily-accessible exposures of serpentinite, layered-chert beds in chevron folds, and Silver...several miles on US Highway 101, blue-green serpentinite exposures can be seen in the hills to the left |
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| Blueschist Metamorphism and Metasomatism in the Tav~anll Region, Northwest Turkey A.I. Okay * Department of Earth... and lawsonite zone blueschists in the Tav~anh region. This paper deals with the volcano-sedimentary...tectonised complex of spilites, cherts, isolated serpentinite bodies, greywackes and shales. Palaeontological...of this blueschist metamorphism in the Tav~anh region is the subject of this paper. Lawsonite and glaucophane-lawsonite...Types Volcano-sedimentary sequences with small serpentinite bodies characterised by a chaotic internal structure |
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| soil conditions—such as those found on serpentinite outcrops, mine tailings, guano deposits, and salt... 1986). Edaphic islands such as serpentinite and limestone outcrops, guano deposits, and mine tailings...1986; Kruckeberg and Rabinowitz, 1985). Using serpentinite soils as an example of a challenging edaphic...species. Firstly, there exists preadaptedness for serpentinite tolerance in nonserpentinite populations. Then...divergence effectively separates the species into serpentinite-tolerant and -intolerant gene pools. Further |
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| Carboniferous and post-Tertiary geology of the region had rendered obsolete most of the original descriptions...Geological Kensington, London SW1 Museum, district described Exhibition Road, South Digitized...Moffat 8 Ordovician and Silurian graptolites 9 Outcrops of the Old Red Sandstone Series at Dobb's Linn...12 The Granite and associated rocks 56 13 Outcrops of Carboniferous rocks 14 Comparative Criffell...Scotland 62 Carboniferous Limestone Series 75 15 Comparative 16 Outcrops of the New Red Sandstone |
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| Carboniferous and post-Tertiary geology of the region had rendered obsolete most of the original descriptions...8 . Ordovician and Silurian graptolites 40 9 Outcrops of the Old Red Sandstone in tl1e South of Scotland...Criffell Granite and associated rocks 56 13 Outcrops of Carboniferous rocks in the South of Scotland...Carboniferous Limestone Series 75 15 �omparative vertical sections of the Coal Measures 82 16 Outcrops of the...Dt1mfriesshire A 84 B Limestone mines, Harelawhill, Dumfriesshire Limestone quarry, Dunbar, East Lothian |
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| Upper Cretaceous flysch. Especially in the Ankara region, Upper Cretaceous flysch contains abundant ophiolitic...Anatolia and extends as far east as the Bolkarda[~ region (Fig. 1); to the west it forms the cover of the...meta-quartzites with rare metabasite and recrystallised limestone horizons. Although the sequence is sparsely fossiliferous...basal part of the clastic sequence in the Ilgln region ! --s~T__-- Polatl! F---I Neogene cover ~ F...Carboniferous to Upper Permian fusulinids in the Afyon region (Eri~en 1972). The Triassic sequence starts with |
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| tandfonline.com/loi/tigr20 Contrasting Settings of Serpentinite Bodies, San Francisco Bay Area, California:...John Wakabayashi (2004) Contrasting Settings of Serpentinite Bodies, San Francisco Bay Area, California:...All rights reserved. Contrasting Settings of Serpentinite Bodies, San Francisco Bay Area, California:...December 2014 Although the best-known outcrops of serpentinite in the California Coast Ranges are part...the Coast Range ophiolite (CRO), significant serpentinite bodies crop out within the Franciscan subduction |
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| omectence teeta veecee ces eee eee 12. Gulf of Mexico region lithofacies, Triassic to early Late Jurassic ....facies-structural zones in central Cuba-Bahamas region (Late Jurassic to Mmiddle- Eocene ii. ake Pee senor...update the classic summary and synthesis of this region that was published by Schuchert (1935). The more...of the 18 arcs active today in the circumPacific region. The modern Lesser Antilles arc, although an apparent...deformed older volcanic and sedimentary rocks of this region appear to be very different, both in lithology |
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| Glenelg, Ross shire and in the Innellan and .Toward district of Argyllshire, some of which have been worked...United Kingdom is almost entirely confined to serpentinite bodies which have undergone hydrothermal alteration...Unst and the Main land of Shetland. The Unst serpentinite stretches across the eastern part of the island...Fig. 2 page 8.). The western portion of the serpentinite consists largely of antigorite but along its...also along the western edge of the Clibberswick serpentinite further east, from Cross Geo in the south, northwards |
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| Peninsula II Mount's Bay 1 4 III St. Agnes District IV Falmouth Bay V The Lizard Peninsula REFERENCES...Megiliggar Rocks 23 13. Map of the St. Agnes district 26 14. North-south cliff section through the...around Lizard Point 38 20. Vein of rodingite in serpentinite, Enys Head, Cadgwith 40 21. Map of the western...intrusion of Tregonning-Godolphin. Granite also outcrops at Cligga Head, St. Agnes Beacon and St. Michael's...this region in the past, but china clay is nowadays only exploited in the St. Austell district and at |
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| of cross- or slip-fiber veins within massive serpentinite bodies, no such veins are to be found in the...chrysotile surrounding blocks and fragments of serpentinite rock. The highly sheared and pulverized nature...distinguishable : (I) hard, dense blocks of serpentinite rock, ranging from fractions of an inch to several...the above materials, with the exception of the serpentinite rock which consists mainly of lizardite and/or...like cel1ulose fibers in paper. Fragments of serpentinite gangue are scattered throughout the ore and |
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| Peninsula II Mount’s Bay 15 III St. Agnes District 24 IV Falmouth Bay 29 V_ The Lizard Peninsula...intrusion of Tregonning-Godolphin. Granite also outcrops at Cligga Head, St. Agnes Beacon and St. Michael’s...China clay has been extensively exploited in this region in the past, but china clay is nowadays only exploited...and Symes (1987). The youngest deposits of the region are the small patches of Tertiary and Quaternary...hammering. ITINERARY III ST. AGNES DISTRICT The St. Agnes district (Figure 10) has been an important mining |
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| the Jurassic Tethyan Ocean in the Mediterranean region (e.g. Jones & Robertson 1990), the Cretaceous Tethys...this lineament (Hyden 1979; Cawood 1986, 1987). Outcrops to the north of the Alpine Fault have been mapped...incomplete, pseudostratigraphy in a few classic outcrops, notably Red Mountain (e.g. Sinton 1980), whereas...sheared serpentinite) in which the ophiolite stratigraphy is highly disrupted (e.g. serpentinite melange)...melange) are placed within the Patuki Melange. Some outcrops of highly sheared and disrupted ophiolitic rocks |
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| palaeosurfaces in the volcanic area of Central Slovakia India Wippowson, M. Tertiary palaeosurfaces of...laterally into complex marine landscape in Central Slovakia. unconformities: it is these latter which are...familiarity with the geological history of his or her own region of interest. Consequently, in Europe ancient palaeosurfaces...been simply divided in terms geographical region. The result is a collection of research papers...palaeosurfaces in the voleanic area of Central Slovakia. This volume. ’ GEOLOGICAL IMPORTANCE Lat |
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| ARDMILLAN SERIES ( C A R A D O C ) OF THE G I R V A N DISTRICT, SO UTH-WEST AYRSHIRE, WITH DESCRIPTIONS OF ...LOWER ARDMILLAN SERIES (CARADOC) OF THE GIRVAN DISTRICT, SOUTH-WEST AYRSHIRE, WITH DESCRIPTIONS OF THE...faunas of the Caradoc rocks exposed in the Girvan district of southwest Ayrshire suggests that the current...additional conglomeratic members a n d one extra limestone horizon that have hitherto been mapped as the...or Balclatchie Conglomerate and the Stinchar Limestone respectively. It is also involved in a strong |
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| serpentine are most abundant and widespread in serpentinite bodies, typically sited along major fault zones...rich in serpentinite. Accordingly, the natural distribution and areal extent of serpentinite host rocks...2002). These reports identify regions where serpentinite outcrops occur—they do not demonstrate the presence...workers, people residing in close proximity to serpentinite bodies may have slightly increased risk of such...km or more from potentially asbestos-containing outcrops. Arsenic Arsenic is an important minor constituent |
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| Triassic Gall bro (sea floor) Peridolite, serpentinite - - - - - - - - - - - - - - - - - - - - - -...Klamaths, Blocs, and Wallowas as coastal ranges. Limestone reefs fringe volcanic island arcs in Klamaths... 4 300 ·Hcontinental" sandstones and marine limestone in southern Blue Mts. 400 Schists in eastern...light-colored airfall ash to blanket much of the region. That was an impressive episode of volcanic activity...rest on basalt lava flows which in turn rest on serpentinite, a green rock that forms when the heavy black |
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| to ihe base oI the still younger Adoudounian (limestone and dolomite) _.\ clip slope ( 25 ) of s1n1ilar...Morocco. T,vo sections through the Dutch coal mining district Cairo-Suez gravity section . . . . . . . Sketch.... . . . . . . . . Sketch map Bou Azzer mining district, Anti-Atlas Three sections through ophiolitic...km north of the outcropping Pre-Cambrian. The outcrops in the instructive Hoggar section (up to rooo...late sixties to southern Libya, where excellent outcrops of the Pre-Cambrian are known in the Tibesti area |
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| bucher@uni-freiburg.de) ABSTRACT The Zermatt-Saas serpentinite complex is an integral member of the Penninic...lithosphere of the Tethys. Metamorphic textures of the serpentinite preserve the complex mineralogical evolution...km depth. Key words: antigorite; ophiolite; serpentinite; textures; Zermatt-Saas. INTRODUCTION Eclogite...composition and field appearance, and the exposed serpentinite area in the Swiss part of the complex is on...ultramafic rocks during subduction. A compilation of serpentinite textures is presented, which can be linked to |
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| Number Five Articles The Val Graveglia m anganese district, Liguria, I t a ly .............................RHODOCHROSITE crystals to 1.6 cm, from the Uchucchacua district, Huanuco depart ment, Peru. (See vol. 28, no...and occasionally fine minerals. The manganese district of Val Graveglia in northern Italy produced over...beauty or rarity. LOCATION The northern coastal region of the Tyrrenian Sea is called Liguria: the name...time the region has had a complex history. Genoa is the main city and the main harbor of the region; the |
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| Purisima Formation. From here to mile 21.9, all outcrops are of the Purisima Formation. 15.3 Cross bridge...Calaveras fault, Santa Cruz, and the Summit Road region. 42.9 Retrace route, make right onto Summit Road...structure, and geomorphic setting of the epicentral region. Stopl. Marine terrace deformation pattern: Its...California Note the broad bend in the Monterey Bay region separating very straight reaches of the fault....distance from the bend. Other topography in the region is not shown. U.S. Geological Survey Open-File |
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| Inwood Marble (sometimes referred to as the Inwood Limestone) is a gray-to-tan, grainy, dolomitic to calcitic...quartz, and rutile, among others. Serpentinite Serpentinite outcrops in bands and pods along the length...excavating the Inwood Marble. Two mills for sawing the limestone, one located on the Bolton Canal and the other...incorrectly listed these localities in Kings County). Limestone was quarried at St. Ann’s quarry in Mott Haven |
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| million years. Amphibolites (Las Pirquitas/Quemado region) with N-MORB like light-depleted REE patterns and...Valdivia/Barboza) formed as arc cumulates, and (central region) as ridge or arc/back-arc lavas (including shoshonite)...silicic schists/gneisses are interpreted as arc region greywackes and silicic lavas, and marbles as reef...in the southwestern Pacific Ocean. The Lau Basin region is used for comparison. The field, petrological...the western Sierras Pampeanas and Precordillera region over the modern shallow subduction zone in the |
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| stream (Mud Creek) flows. Sediment source is the limestone-dominated Champlain lowlands of southeastern Quebec...both occur in highly elevated concentrations in serpentinite (McGrath and Smith, 1990; Lottermoser, 1997)...appears to be chemical and physical weathering of serpentinite, carbonate and shale in the Green Mountains...exposed in the source areas of both marshes; serpentinite outcrops in the source area of Ward Marsh but not...serpentine (Deregibus, 1982; Laundon, 2000). Typical limestone values for these metals are 0.1 mg kg 1 (Co) |
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| plain system where the great size of the receiving region gives the effect of an infinitely large basin into...which generally are initiated from the canyon head region as slides, slumps, debris flows, etc., but can...oceanic crust and underlie pelagic and redeposited limestone. The rhythmic bedding is the product of deposition...radiolarite. Ophicalcite consists of clasts of serpentinite and locally gabbro and peridotite in a pink...structures identical with caliche, silicified serpentinite masses Uasper) whose texture and mineral composition |
