 | Baldermann, Andre, Deditius, Artur P., Dietzel, Martin, Fichtner, Vanessa, Fischer, Cornelius, Hippler, Dorothee, Leis, Albrecht, Baldermann, Claudia, Mavromatis, Vasileios, Stickler, Christian P., Strauss, Harald (2015) The role of bacterial sulfate reduction during dolomite precipitation: Implications from Upper Jurassic platform carbonates. Chemical Geology, 412. 1-14 doi:10.1016/j.chemgeo.2015.07.020 | Journal (article/letter/editorial) | | Wilhelms-Universität, Münster, Germany d MARUM/FB Geowissenschaften, Universität Bremen, Bremen, Germany e RESOURCES -...formation of partly dolomitized limestone and dolostone in the presence of BSR on a stable carbonate platform...Upper Jurassic partly dolomitized limestone and dolostone as well as cogenetic limestone was investigated...The Langenberg section at Oker is exposed in an active quarry and is located 5 km east of Goslar in the...Jurassic rocks (Fig. 1B). The basal part of the Langenberg section comprises oolitic grainstones and Exogyra |  | | Report (chapter) | | Garland & Bower 1959; Mollard 1959; Jones 1980; Langenberg 1983; Edwards & Brown 1995; Lyatsky 2003; Lyatsky...evaporites. These deposits can be subdivided into a lower, transgressive unit and an upper regressive unit...with increased input of marls and shales of the lower Ireton Formation. Marl and shale sedimentation caused...ascending order (from oldest to youngest): LGM (Lower Grosmont), UGM1, UGM2 and UGM3 (Upper Grosmont 1...result, the Devonian strata are overlain by the Lower Cretaceous Mannville Group, which hosts the Athabasca |  | | Journal (article/letter/editorial) | | /km. Variations in maturity gradients reflect lower paleo-geothermal gradients resulting from rapid...sulphur, salt, potash, base metals, limestone and dolostone. The levels of organic maturity (coal rank) in...whether data inconsistent with regional trends were bad or a 324 R.M. BUSTIN product of anomalous thermal...on other horizons but may be simply a product of lower sample density. Similarly, the number of local anomalies...Noteworthy are the contours for uppermost Jurassic and Lower Cretaceous strata in southeastern British Columbia |  | Ashton, K.E., Hartlaub, R.P., Bethune, K.M., Heaman, L.M., Rayner, N., Niebergall, G.R. (2013) New depositional age constraints for the Murmac Bay group of the southern Rae craton, Canada. Precambrian Research, 232. 70-88 doi:10.1016/j.precamres.2012.05.008 | Journal (article/letter/editorial) | | basal quartzite and/or psammite with intercalated dolostone, patchy iron formation, mafic volcanic flows, and...lithostratigraphic correlation of the Murmac Bay group with the lower three of four assemblages in the Amer and Ketyet...amphibolite-facies quartzite and/or psammite, dolostone, minor iron formation, mafic volcanic rocks, and...where primary features are locally preserved in lower amphibolite facies rocks (Hartlaub et al., 2004)...is locally intercalated with psammite, and/or dolostone, the latter being most common towards the top |  | | Book (volume) | | TOcks |shi s..s eee nc eee es cee 4B. Cambrian and Lower Ordovician — Sauk Sequence .......................corner of British Columbia, and much of the western District of Mackenzie, Northwest Territories. In the southern...succession, and the geology is less well known. There, lower and middle Paleozoic clastic, carbonate, and evaporite...Alberta and eastern British Columbia into the District of Mackenzie and Yukon Territory. The Fold Belt...most of Paleozoic time, Tathlina area, southern District of Mackenzie; in Future Petroleum Provinces of |  | | Report (chapter) | | tectono-stratigraphic controls on the distribution of Lower Cretaceous fluvial– estuarine sandy point bar reservoirs...northeastern Alberta subsequently being covered by Lower Cretaceous strata of the McMurray Formation (Aptian)...unconformity surface in northeastern Alberta (Fig. 5). The Lower Cretaceous Athabasca sand deposits are mostly represented...Frobisher Alida Kisbey Bakken rmity Fort Vermilion Lower Radcliffe McMurray Fm Beaverhill Lake Group ...Devonian Kibbey Pelican Fm Mannville Group Lower Cretaceous La Biche Fm (a) 31 Elk Point Group |  | | Book | | Gog Group (early Cambrian). ‘The paler lower part is dolostone at the top ofthe Miette Group (late Proterozoic)...Carolina; Thomas Kubli, Petro-Canada; Willem Langenberg, Alberta Geological Survey; Tom Laudon; Brian...Earth's 4.7-billion-year history. * After years of lower-casing “earth” after “the,’ I have recently been...our planet, with or without the article, and use lower case when speaking of dirt. Also, in this book “the...Canadian Rockies Geology Road Tours eS Limestone Dolostone Limestone weakly. To of the Cathedral Formation |  | | Report (issue) | | potential volcanogenic massive sulphide occurrences (Langenberg et al., 1993, 1994) within the 2.008 to 1.971...see Godfrey, 1980a, b, 1984, 1986a; Godfrey and Langenberg, 1984a, b). It also incorporates new U-Pb isotopic...rocks, underlying northeastern Alberta and the District of Mackenzie. It is bounded to the north by the...correlation. Pelitic gneisses typically have the lower granulite facies mineral assemblage of K-feldsp...which are interpreted as cooling ages following lower granulite facies metamorphism (see Table 1; McDonough |  | Fitz-Díaz, Elisa, Tolson, Gustavo, Hudleston, Peter, Bolaños-Rodríguez, Daniel, Ortega-Flores, Berlaine, Serrano, Alberto Vásquez (2012) The role of folding in the development of the Mexican fold-and-thrust belt. Geosphere, 8. 931-949 doi:10.1130/ges00759.1 | Journal (article/letter/editorial) | | thick-bedded Cretaceous platform limestone and dolostone (Abra and Tamabra Formations; Suter, 1987), with...(2009). In this area, the oldest exposed rocks are lower-greenschist-facies phyllites and schists of the...2009), a volcaniclastic unit of Upper Jurassic–Lower Cretaceous age that grades upward to the Peña Azul...covered unconformably by the Soyatal Formation. The lower parts of the section have been attributed by Chauve...Tampico-Misantla Basin. A difference in taper angle—lower associated with the Valles–San Luis Potosí Platform |  | Ahmad, Faiz, Quasim, Mohammad Adnan, Ahmad, Abul Hasnat Masood (2021) Microfacies and diagenetic overprints in the limestones of Middle Jurassic Fort Member (Jaisalmer Formation), Western Rajasthan, India: Implications for the depositional environment, cyclicity, and reservoir quality. Geological Journal, 56 (1). 130-151 doi:10.1002/gj.3945 | Journal (article/letter/editorial) | | Jaisalmer Basin can form important Shelf. During the Lower Miocene, the axial belt was completely hydrocarbon...A B L E 1 Lithostratigraphic classification of Lower Jurassic–Upper Jurassic sediments of Jaisalmer Basin...coarse, poorly sorted sandstone Middle Jurassic Lower Jurassic Basement rocks (Proterozoic/Cambrian)...origin and coarse crystal respectively formed from lower- to middle temperature and early to middle diagenetic...45, 293–315. Bachmann, M., & Hirsch, F. (2006). Lower Cretaceous carbonate platform of the eastern Levant |  | Ashton, K.E., Hartlaub, R.P., Heaman, L.M., Morelli, R.M., Card, C.D., Bethune, K., Hunter, R.C. (2009) Post-Taltson sedimentary and intrusive history of the southern Rae Province along the northern margin of the Athabasca Basin, Western Canadian Shield. Precambrian Research, 175 (1) 16-34 doi:10.1016/j.precamres.2009.09.004 | Journal (article/letter/editorial) | | broadly correlative with the Baker Lake Group of the lower Dubawnt Supergroup in Nunavut. Widespread lamprophyre...Martin group bear some resemblance to rocks of the lower Dubawnt Supergroup, and broad correlation of the... All of these rock types have been affected by lower to upper amphibolite-facies metamorphism, the upper...took place at 1.83–1.81 Ga under medium pressure, lower amphibolite- to granulite-facies conditions attributed...some re-orientation of sericite. The significantly lower metamorphic grade resulting from D2 deformation |  | Wang, Dan, Struck, Ulrich, Ling, Hong-Fei, Guo, Qing-Jun, Shields-Zhou, Graham A., Zhu, Mao-Yan, Yao, Su-Ping (2015) Marine redox variations and nitrogen cycle of the early Cambrian southern margin of the Yangtze Platform, South China: Evidence from nitrogen and organic carbon isotopes. Precambrian Research, 267. 209-226 doi:10.1016/j.precamres.2015.06.009 | Journal (article/letter/editorial) | | Nanjing 210023, China 19 b 20 Berlin 10115, Germany 21 c 22 Resources Research, Chinese Academy...(~ +1.6‰) from the basin may reflect generally lower δ15N Ac ce pt ed M 63 Page 4 of 82 76 composition...because 267 of the rapidity of this sea level rise, lower Cambrian units across much of South China 268 ...enrichment layer occurs sporadically in 271 the lower portion of this transgressive black shale along...uncertainties for most elements 353 were typically lower than 5%. 354 4. Results us an M ed pt Ac |  | | Report (issue) | | United States, Canada, England, Den¬ mark, West Germany, Australia, and the People’s Republic of China...which are so deeply eroded that their highgrade lower crustal segments are exposed. Prominent in the North...simply because very little is known about how the lower parts of modern orogenic belts formed. Ideas on...Svecokarelides. The problem arises because the lower levels of very few Mesozoic-Cenozoic belts are exposed...exposed. What do we know about the way in which the lower levels of modern belts formed?—very little. Therefore |  | | Journal (article/letter/editorial) | | from the wetland sediments. This was attested by a lower !65Cu value of the outflowing dissolved copper,...interesting, however, are the uppermost samples of the lower exposed flow with alkali element, HFSE ratios, and...University of Bremen, Klagenfurter Str., 28359 Bremen, Germany (wbach@uni-bremen.de) 2 Department of Earth Sciences...circulation through fractured basement takes place at lower temperatures. In fresh basalt, oxidation of ferrous...mantle harzburgite, exposed at the base of the lower-crust section in the Ivrea Zone, Western Alps [1] |  | | Report (volume) | | problems. Decoupling and ductility contr: within the lower continental crust and within the overlying sedimentary...foreland. To my knowledge, such con- argued that lower continental crust that may be detached during the...continental lithosphere. These may be mostly in the lower upper mantle. Recent and Alps 1972; Giese Appennines...foreland. It is concluded that decoupling within the lower crust and perhaps in the upper mantle is well mean...Geologists). W ing Netherlands the Meso-alpine Lower Saxony deformation. Basin, This may more than |  | | Book | | closure of Gondwana against Laurentia. A Cambrian to Lower Mississippian pre-orogenic, largely clastic succession...sediment source for the Bowser Basin (Mid-Jurassic–Lower Cretaceous), which developed over a thermally subsided...Several basins, including the Queen Charlotte (Lower–Upper Cretaceous), Georgia (Nanaimo: Mid Upper Cretaceous–Neogene)...Chapter 9). The Morrison Formation (Mid-Jurassic–Lower Cretaceous) is the first major, widespread clastic...for the foreland basin to the east at this time. Lower Cretaceous clastic wedges (Mannville and Dunvegan |  | | Book | | that of hydrogen burning, mostly because of the lower energy release per unit mass. The timescale of the...partial hydrogen burning, with higher 14N/15N and lower 12C/13C ratios in the envelope than in canonical...30Si excesses relative to 29Si and, on average, lower d 29Si values than Y grains. However, they are distinguished...ratios, Z grains came from low-mass stars of even lower (,one-third solar) metallicity (Hoppe et al., 1997)...contrast to mainstream grains, many A þ B grains have lower than solar 14N/15N ratios (Hoppe et al., 1995, 1996a; |
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