 | | Report (issue) | | _______________ Beloit dolomite.____________________________ Unnamed limestone member, Decorah formation. _ Subdivisions... 50. 51. 52. 53. 54. Upper Mississippi Valley region showing general geology and location of the zinc-lead...district-___ Map of part of upper Mississippi Valley region, showing localities cited in text.___________________________...sequence since 1906-__________________________________ Quarry showing Prairie du Chien group._______________...overlying Guttenberg member of Decorah formation in a quarry at Calmine, Wis_________-________________-____ |  | | Report (issue) | | .......................................... 16 Unnamed sandstone and conglomerate ................................................................ 19 Unnamed cong lomerate ............................................................................. 21 Unnamed conglomerate member .............................schist of the Salinian block . This is overlain by unnamed Upper Cretaceous sandstone and cong lomerate and...ultramafic-mafic rocks , 2) mafic volcanic rocks with chert , and 3) incomplete Great Valley-like sedimentary |  | | Report (issue) | | __________________________ Unnamed epiclastic rocks__________________________ Unnamed volcanic rocks -----...Silurian age exposed north of the report area. An unnamed unit of volcanic and sedimentary rocks has yielded...gastropods and corals of late Paleozoic age; an unnamed limestone contains fossils of Late Triassic(?)...5,000 feet (1,500 m) in the eastem part of the region to a few tens of feet near the margin of the Great...Valley. 3 INTRODUCTION Most major roads in the region follow the upland surface and, in general, parallel |  | | Journal (article/letter/editorial) | | of Bull Run Steam Plant, in road cuts: quartz (chert, jasper, agate). Spring Hill Saltpeter Cave, 8.7...nitrocalcite (Barr 1961). 302 ROCKS & MINERALS Taylor quarry, 0.3 mile NE of the junction of Hinds Creek and...Mill: nitrocalcite (Matthews 1971). Shelbyville quarry, SE on U.S. 41A: rectorite (as main clay mineral...(Whitlatch 1940). Holladay quarry, 1.3 miles ENE of Holladay: dolomite crystals. Unnamed ridge between South...(Zeitner 1968). Carroll County Clarksburg area, unnamed pit in north valley wall of Cane Creek, 4 miles |  | | Journal (article/letter/editorial) | | isolated bauxite prospects (Brown 1948; Cloud 1966). Unnamed location-5 km northwest of Jacksonville: secondary...secondary phosphate minerals from the Fort Payne Chert/Floyd Shale contract, including beraunite, cacoxenite...zoisite pie fluorite in granite exposed in abandoned quarry (Cook and Smith 1982). Oak Bowery area-18 km south...stilbite in biotite gneiss (Cook and Smith 1982). Unnamed locations-north of Lafayette: ilmenite, magnetite...panned heavy-mineral concentrates (Mertie 1979). Unnamed locations-southwest of Lafayette: gibbsite in saprolite |  | Harrison, R.W., Palmer, J.R., Hoffmann, David, Vaughn, J.D., Forman, S.L., McGeehin, J.P., Frederiksen, N.O. (1997) Profiles and documentation of fault-exploration trenches in the English Hill area, Scott City 7.5-minute quadrangle, Missouri. Open-File Report Vol. 1997 (97-474) US Geological Survey doi:10.3133/ofr97474 | Report (issue) | | 5-minute quadrangle (fig. 2). The Benton Hills is a region of moderate recent seismicity (Stover and Brewer...Stage): wind-blown silt, as much as 50 ft thick unnamed Quaternary gravel 3, < 10 ft thick Roxana Silt...(Wisconsinan Stage): wind-blown silt. 10-15 ft thick \unnamed Quaternary gravel 2: as much as 5 ft thick______...Sangamon Geosol (Sangamonian Stage) _ ________ .unnamed Quaternary gravel 1: reworked Mounds Gravel, as...beds _________ 10-50 ft thick___________________ Unnamed Eocene unit: massive, silty, micaceous clay, as |  | | Report (volume) | | Survey Bull. 1436, p. 17-19 4. Quartz arenite with chert beds 5. Greenish-gray, gray, brown, tan 6. Range...ridge-forming 9. Gradationally overlies and underlies unnamed strata in lower part of Makah Formation 10. Type...quartzitic sandstone interbedded with limestone and chert Gray-to-tan, reddish-brown, black 5. 6. 2,550 m...Pennsylvania Geol. Survey] p. 22 4. Dolomite with chert beds 5. Black 6. Range 45-61 m 7. Sparkly, emits...10. Type locality: Martin Marietta Co. Belgrade quarry, just E of intersection of County Route 1434 and |  | | Report (issue) | | Jurassic basalt overlain by Jurassic to Cretaceous chert and marine clastic sediments of the Bald Mountain-El...and Cretaceous basalt and oceanic limestone and chert of the Permanente terrane (Sliter and others, 1991)...understand the complex upper crustal history of this region, the National Mapping Program funded an interdisciplinary...early Cenomanian. A single sample collected from chert associated with pelagic limestone in the Los Gatos...phosphatic rocks in the east San Francisco Bay Region, California: U.S. Geological Survey Open-File Report |  | | Report (issue) | | Calaveras fault via a deep crossover structure in the region of Mission Peak (Andrews and others, 1993). The...blocks and slabs of meta-graywacke and shale (fs), chert and metachert (fc), serpentinite (sp), greenstone...are shown on the map. JKfn Sandstone of Novato Quarry (Late Cretaceous). Distinctly bedded to massive...smaller portion of the unit to the south. Kcv Unnamed sandstone, conglomerate, and shale of the Castro... Ku Undivided, unnamed sandstone and siltstone (Cretaceous) Kc Undivided, unnamed conglomerate (Cretaceous) |  | Henley, H. F., Brown, R. E., Brownlow, J. W., Barnes, R. G., Stroud, W. J. (2001) Grafton-Maclean Metallogenic Map (SH/56-6, SH/56-7) Metallogenic Study and Mineral Deposit Data Sheets. Geological Survey of New South Wales | Report (issue) | | ........................... Baryulgil asbestos quarry ............................................................ Plutonic suites of the New England Region .................................................comprehensive mineral occurrence database for the region, a modern recompilation of the geological data...assistance of the many landholders throughout the region who provided access — and in many cases also contributed...Permian lithic wacke and argillite, less-abundant chert, minor mafic volcanic rocks and rare limestone. |  | | Report (issue) | | - - - - - - - - - Stop 1. Pipe Creek Stone Co. quarry, Sweetser - - - - - - - - - - - - - - - - - - -...- - - - - - - - - - - Stop 2. Yeoman Stone Co. quarry, Kokomo - - - - - - - - - - - - - - - - - - - -...- - - Stop 3. Mill Creek Stone and Gravel Corp. quarry, Rich Valley- - - - - - - - - - - - - - - - - -...- - - - - - - Stop 4. May Stone and Sand, Inc. quarry, Fort Wayne - - - - - - - - - - - - - - - - - -...- - - - - - - - - - - Stop 5. Heller Stone Co. quarry, Rockford - - - - - - - - - - - - - - - - - - - |  | | Report (volume) | | horizontal datum located in the middle of the unnamed argillaceous limestone of the St. Paul Group in...and shale unit is identified informally as the unnamed sandstone and shale member, and the limestone unit...unit is identified informally as the unnamed limestone member (pi. 1, fig. 2). My definition of the Rome...Oswego Sandstone Trenton Limestone Unnamed limestone Unnamed limestone Black River Group Black River...Paul G TTTTT1 Wells Creek Formation Unnamed dolomite Unnamed dolomite Beekmantown Group, undivided |  | | Report (volume) | | horizontal datum located in the middle of the unnamed argillaceous limestone of the St. Paul Group in...and shale unit is identified informally as the unnamed sandstone and shale member, and the limestone unit...unit is identified informally as the unnamed limestone member (pi. 1, fig. 2). My definition of the Rome...Oswego Sandstone Trenton Limestone Unnamed limestone Unnamed limestone Black River Group Black River...Paul G TTTTT1 Wells Creek Formation Unnamed dolomite Unnamed dolomite Beekmantown Group, undivided |  | | Report (issue) | | fundamental Lower Devonian correlations in the region. Four renssel'aeriid zones that span the Lower...expanse characterized predominantly by limestone and chert deposition during Sehoharie time. It extend's from...referred to ~n the past as "Schoharie," "Camden Chert" (Cooper, G. A., and others, 1942, p. 1774, 1780)...(Bois Blanc Formation, Schoharie Formation, Camden Chert, and their equivalents) time there appear species...(Tomhegan Formation) and in the l\fatapedia Valley region o£ eastern Quebec (upper part of the York River |  | | Report (issue) | | Supergroup Pinguicula Group : Tindir Group (lower part) Unnamed ?mid-Helikian units in outcrop Porcupine River...River Canyon Knorr Range Inuvik Airport Quarry Northern Richardson Mountains White Uplift Dave Lord Uplift...Uplift Keele Block Barn Uplift and Eagle Foldbelt Unnamed ?mid-Helikian and Hadrynian units in boreholes...Formation Type section Taiga Formation Type section Unnamed Carbonate Formation Carbonate Breccia Unit Vunta...Formation Jones Ridge Limestone British-Barn Trough Unnamed volcanic (Cwmv) and argillite unit (Cwma) Neruokpuk |  | | Book | | Specimen measures 110 by 70 mm and is preserved in chert. CON TENTS List of Plates vii Preface ix Introduction...eart s, cial offi c civi ous Jari . Farmers and quarry ers were helpful in locating owners of several...given throughout the to visit a particular working quarry, where to obtain precautions, and other important...Humboldt Oolite is well exposed in the P & M Hodges Quarry north of Dakota City in Humboldt County (N14 sec...sec. 32, T92N, R28W). The lower levels of the quarry carry an abundant and diverse gastropod-coral fauna |  | | Report (volume) | | Formation____________________________________ Unnamed shale member overlying the Home Creek Limestone...nzales Limestone Member______________________ Unnamed shale member overlying the Gonzales Limestone Member__...Bunger Limestone Member_______-___-___-__-----__ Unnamed shale member overlying the Bunger Limestone Member_...Avis Sandstone Member__________________________ Unnamed shale member overlying the Avis Sandstone Member_...Ivan Limestone Member____-_-_-_____-_--_-------Unnamed shale member overlying the Ivan Limestone Memb |  | | Report (volume) | | 31-32, 45-46 Limestone, calcareous shale, mudstone, chert, minor sandstone and oil shale beds Weathers white...welded crystal-poor ash-flow tuff Intercalated with unnamed volcanic breccia member of Mount Dutton Formation... Conglomeratic limestone 6. 1.9 m 9. Overlies unnamed coal bed 6 m above Alum Cave Limestone Member;...m 9. Overlies unnamed units or Holy Joe Member (Galiuro Volcanics); underlies unnamed units of Galiuro... Loosely compacted 9. Overlies Juda Gravel or unnamed silts of Winnebago Formation; underlies Plano Silt |  | | Report (issue) | | grit, slate, mafic-ultramafic rocks, dolomite, chert, conglomerate, shale, and limestone of Precambrian...by mafic volcanic and intrusive rock and related chert and clastic sedimentary rocks of Mississippian...AA AA AA AA AA AA Remarks Livengood Cr. unnamed cr. unnamed cr. Lillian Cr. Olive Cr. Ruth Cr. Ruth Cr...Old Smokey Old Smokey Olive Cr. Olive Cr. quarry quarry quarry Ruth Cr. Ruth Cr. Ruth Cr. Ruth Cr. Ruth...(?) unnamed drainage unnamed drainage unnamed drainage unnamed drainage unnamed drainage unnamed drainage |  | | Report (issue) | | represents limits of Middle Proterozoic rocks in region. Irregularly shaped areas enclosing tick marks...Generalized column of the Belt Supergroup in the Libby region. B. Stratigraphic column of the Libby Formation...siltite exhibiting deformed laminae. B. Deformed chert (black) in low angle cross- stratified very fine...Member C of the Libby Formation in the Lake Creek Quarry, about 6 miles south of Troy, MT. 40 Figure 17...17. Photomicrographs of ooids from Lake Creek Quarry. A, B. Radial ooids. Right side of ooid in B is |  | | Journal (issue) | | Devonian limestone interstratified with sandstone, chert, and argillite (unit Dl in 123 ,- \. f #' #':;:...GrindS/Qlle-Tweivemile milange area in Figure 3).01 = unnamed Middle De vonian limestone, CC = Coffee Creek limes/Olle...Figure 2); (5) unnamed Permian and Lower Triassic radiolarian-bearing multicolored chert and dark mudslOne...of the chert-rich conglomerate assigned to the Begg Member of the Vester Formation. minor unnamed Lower...of serpentinite and greenstone, siliceous shale, chert, and associated metamorphosed (greenschist-grade) |  | | Journal (article/letter/editorial) | | Underset Limestone is traced, and the stratigraphy of chert developments above the Underset and Main Limestones...Limestone is deduced, and the very variable Richmond Chert Series (developed over the Little Limestone) is...and chert Ten Fathom Grit Shale Richmond Chert Series LITTLE Limestone Coal Sills Group Main Chert Shale...Limest one Group Sandstone and shale Underset Chert Shale UNDERSET Limestone Sandstone and shale THREE...15 (b) History of Research The geology of the region covered by the present survey has been sadly neglected |  | Iwata, K., Schmidt, B. L., Leitch, E. C., Allan, A. D., Watanabe, T. (1995) Ordovidan microfossils from the Ballast Formation (Girilambone Group) of New South Wales. Australian Journal of Earth Sciences, 42 (4) 371-376 doi:10.1080/08120099508728208 | Journal (article/letter/editorial) | | sandstone turbidite and siltstone, and less common chert and mafic-intermediate igneous rocks, that unconformably...turbidite and siltstone, with local intercalations of chert and mafic volcanic rocks. Many of these rocks are...northerly exposed rocks of the Lachlan Fold Belt in a region encompassing the settlements of Girilambone, Bourke...consists of quartzose sandstone turbidite, siltstone, chert and minor mafic volcanic rocks, that have undergone...metamorphosed Girilambone Group rocks of the western region, and demonstrate that the Ballast Formation (revised |  | | Report (volume) | | plant fossils from underlying units. Albion Creek Chert Member of the Tenmile Creek Formation of the Stanley...Hills, Pushmataha County, Okla. The Albion Creek Chert Member, here named, is in the lower part of the...of gray sandstone and gray siliceous shale and chert. In the Stanley Group type section, T. 2 N., R...., it lies about 1, 700 ft above the Friendship Chert Member (new name) of the Tenmile Creek and about...Abrams, C. E., 1984, Geology of the Greater Atlanta region: Georgia Geologic Survey Bulletin 96, 127 p. The |  | Liu, Pengju, Yin, Chongyu, Chen, Shouming, Tang, Feng, Gao, Linzhi (2013) The biostratigraphic succession of acanthomorphic acritarchs of the Ediacaran Doushantuo Formation in the Yangtze Gorges area, South China and its biostratigraphic correlation with Australia. Precambrian Research, 225. 29-43 doi:10.1016/j.precamres.2011.07.009 | Journal (article/letter/editorial) | | problems. Based on thin-section examination of chert samples collected from six sections of the Doushantuo...Variomargosphaeridium litoschum, as well as the unnamed B, C, D, E, F and G forms, are the predominant...medium-bedded dolostone and muddy dolostone with abundant chert nodules; one obvious erosional unconformity (younger...(III) 40–60m-thick medium-bedded dolostone with chert bands or lenses and banded dolostone; (IV) ∼10-m-thick...and tubular microfossils have been reported from chert nodules or lenticles in both Member II and III (Yin |
|
