 | | Report (issue) | | Copies of this report can be purchased from: District Chief U.S. Geological Survey P.O. Box 364424 San...Limestone Members of the Cibao Formation and an unnamed mudstone unit. Test hole NC-4 penetrated three water-bearing...extends from near Aguada, in the western part of the Island, to Loiza, about 30 mi east of San Juan (fig. 1)...Early upper member Montebello Limestone Member mudstone unit Quebradas Arenas and Rio Indio Limestone...Amphistegina, and coral; (d) 25 ft (440 to 465 ft) of a quartz-sand red algae packstone bearing branching coral |  | | Journal (article/letter/editorial) | | et al. (2006) reported Aspidella from the unnamed mudstone member of the Cid Formation, from Jacobs Creek...et al. (1995) reported euconodonts from the unnamed mudstone member of the Cid Formation (Jacobs Creek...Pteridinium carolinaensis. Recent field work in the unnamed mudstone member of the Cid Formation at Jacobs Creek...consists of two populations of quartz that form an unusual mixture. Quartz type 1 (about 80–85% of the rock)...less straight than is typical for impact-shocked quartz. Partly because of the fracturing, the grains |  | | Report (issue) | | Parnell, David E. Blake and Phil Bradley A Cambrian island arc in Carolinia? Evidence from the Stony Mountain...from the mantle and was likely part of a mature island arc built on oceanic crust (Samson et al., 1995;...structures often filled with pale-green, fine-grained quartz sand. Muscovite is common. The sand fraction in...sorted, subrounded to rounded, massive to bedded, quartz sandstone. Bedding is parallel occurring as thick...subangular, massive to bedded and cross-bedded quartz sandstone, feldspathic arkose, and arkose. Bedding |  | | Report (issue) | | Paleogene sedimentary and volcanogenic rocks from Adak Island, central Aleutian Islands, Alaska: Geol. Soc. America...108 p. Angoonian Stage adopted. Stage. Overlies unnamed stage; underlies Seldovian Anon Formation (age...In southeastern Nevada, Baseline divided into: unnamed sandstone member intertongued with Overton Conglomerate...Formation (new name) of Livingston Group. Overlies unnamed mudstone member of Sedan; underlies Lennep Sandstone...overlies Copper Ridge Dolomite of Knox and underlies unnamed Middle Ordovician limestones. Beekmantown Shale |  | | Report (issue) | | greenstone (gs), amphibolite, tuff, eclogite, quartz schist, greenschist, basalt, marble, conglomerate...is associated with a large body of fine-grained quartz diorite (JKfgm). Although the margins of the intrusive...hydrothermal alteration that has changed the non-quartz grains in the sandstone into white powder, probably...diabase. Overlying Volcanics Jsv Keratophyre and quartz keratophyre (Late Jurassic). Highly altered intermediate...siltstone, and shale. Sandstone varies from biotite and quartz rich wacke to lithic wacke. Plant debris is common |  | | Report (issue) | | contact with (and were originally overlain by) an unnamed marine Eocene sequence, the nonmarine Sespe Formation...grained and crudely banded as a result of layers of quartz and feldspar alternating with layers of dark green...potassium feldspar, plagioclase, and quartz in a granulated groundmass of quartz, biotite, hornblende, and feldspar...and undulatory extinction and mortar structure in quartz are common. These rocks in the Alexander well are...predominantly granodiorite, but it is gradational to quartz diorite and to granite. Inclusions of gneiss resembling |  | | Report (issue) | | ___________... _ Photograph of phosphorite nodule in mudstone of the Ogotoruk Formation___________ Triangular...characteristics and outcrop aspect of some of the mudstone of the Kisimilok Formation ______________________...collected from the Lisburne Group and the underlying mudstone-sandstone-limestone unit ______ _______________...in the western part of the area. The underlying mudstone, sandstone, and limestone of Early Mississippian...half of the area is underlain by flysch facies mudstone and sandstone of Cretaceous and, possibly, Jurassic |  | | Report (issue) | | …………………………………………………… 14 Stop 2A.2 Jacob’s Creek quarry Cid mudstone – Flat Swamp contact ...........................ntary features and Ediacaran fauna of the Cid mudstone member at the Jacob’s Creek quarry; Stop 2B will...LEADERS: JIM HIBBARD, JEFF POLLOCK. Figure 2. Dacitic quartz crystal-lithic tuff at Stop 1.2; black splotches...up from road repairs, grey splotches are mainly quartz crystals. the area of Mt. Pleasant. It is interlayered...outcrop is composed of massive, strongly foliated, quartz crystal - lithic dacitic tuff (Fig. 2). The rock |  | | Report (volume) | | Member): 2. Crumpled, contorted gray calcareous mudstone and shaly siltstone east of Nephi --------3. Overturned...-----------4. Badlands developed on calcareous mudstone ---5. Vertical, interlayered, much contorted darkreddish-brown...Crumpled, contorted light-gray to gray calcareous mudstone and shaly siltstone beds of the Arapien Shale...Not shown Formation Smith (1926) Lithology Unnamed Lower Jurassic beds Kialagvik Formation / ShelikoA...shown Formation Imlay and Detterman (1977) Unnamed Lower Jurassic beds Kialagvik Formation Shelikof |  | | Report (volume) | | introduced for use in North America, the Pacific Island possessions of the United States, and the Trust...America, Greenland, the West Indies, the Pacific Island possessions of the United States, and the Trust...Pittsylvania and Halifax Counties, overlies Hyco quartz porphyry. Varies from nearly pure greenstone to...Peak, on ridge south of Dry Canyon, in Gold Hill district. Aberdeen Sandstone (in PottS...chart as sandstone in Tradewater group. Below Rock Island coal and above Pope Creek coal. Named for Aberdeen |  | | Journal (article/letter/editorial) | | Band above unnamed mudstones, siltstones and thin sandstones Ashover Grit Siltstones unnamed: thin sandstones...sandstones termed Ashover Grit Roaches Grit Siltstones unnamed: thin sandstones usually termed Roaches Grit or...water association Unit 2 lower sandstones Unnamed mudstone with R. metabilingue Marine Band at base ...siltstones, mudstones and mixed clastic rocks are unnamed. The succession in the whole of the western outcrop...variable content of granule conglomerates. Subrounded quartz pebbles up to 3 cm in size are scattered in the |  | | Report (issue) | | small amounts of mudstone and coal. In the Dunkard Group they are largely detrital. Mudstone is more abundant...abundant at the northeast end of the basin. Red mudstone is abundant in the southern half and is absent...siltstone, and impure limestone, and small amounts of mudstone, claystone, and coal. Its uppermost unit throughout...in general, mudstone is more abundant than sandstone. The ratio of sandstone to mudstone increases from...Dunkard basin. They are interbedded with calcareous mudstone and with fine-grained sandstone. Coal beds are |  | | Report (volume) | | the Beaver Rim escarpment___________ 7. Porous mudstone from unit 1 of Wagon Bed Formation______ 8. Photomicrograph...poorly sorted pebble conglomerate, and variegated mudstone. Locally, thin layers of carbonaceous shale are...greenish-gray to yellowish-gray sandstone, siltstone, and mudstone commonly containing considerable volcanic debris...the formation was altered to potassium feldspar, quartz, and zeolite. Alkalic volcanic debris deposited...yellowish-gray to grayish-orange tuffaceous bentonitic mudstone containing local lenses of arkosic sandstone and |  | | Journal (issue) | | structure of the Lower New Red Sandstone of the Exeter district. E.B. SELWOOD and J.M. THOMAS: A reinterpretation...linguist stood him in great stead in Scandinavia, Russia, Germany and Belgium where he often travelled....1971. A late Devonian reef tract of N.E. Banks Island, Northwest Territories. Bulletin of Canadian Petroleum...of a mid-Cretaceous cobble conglomerate, Beer District, south Devon. Geological Magazine, 113, 151-158...E. 1957a. The Cenomanian Limestone of the Beer district, south Devon. Proceedings of the Geologists' Association |  | | Book | | - - ;, - - - - )• Grey and dark grey fissile mudstone, bituminous in parts with carbonate cor1cretions...------------Norian to Scythian ';) ? EZ5 • Grey mudstone siltstone and sandstone with thin coals (24-33m)...GROUP - SHERWOOD SANDSTONE GROUP § ~ Whitby Mudstone Formation Alum Shales Jet Rock Member Grey Shales...Ironstone with siltstone and mudstone 4-6 Yellow--grey sandstone, grey mudstone and siltstone with thin...sandstone 20-25 Redcar Mudstone Formation undivided Pale and dark grey, mudstone, siltstone with thin |  | | Book | | two facies, the Buckhorn Conglomerate and an unnamed mudstone and sandstone layer. Many fragmentary dinosaur...mid-Cretaceous geology (Aptian to Coniacian) of Russia, Germany, Lebanon, West Africa, Mozambique, Colombia...Tethys Sea in the Late Cretaceous, possibly by island hopping across the Apulian or Alboran plates. ...its relation to other dinosaurs in the Majunga District fauna. The specimen suggests the existence of...[758]). The work of John Homer in unearthing the Egg Island and Egg Mountain sites in Montana has been especially |
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