Results 81 to 90 of about 68,053 (269)

Transitional geometries between gently plunging and steeply plunging folds: an example from the Lower Palaeozoic Brabant Massif, Anglo-Brabant deformation belt, Belgium [PDF]

, 2004
A
Debacker, Timothy, SINTUBIN, M, Verniers, Jacques   +2 more
core   +2 more sources

Lower Wenlock black shales in the northern Holy Cross Mountains, Poland: Sedimentary and geochemical controls on the Ireviken Event in a deep marine setting [PDF]

, 2016
The stratigraphic variability and geochemistry of Llandovery/Wenlock (L/W) Series boundary sediments in Poland reveals that hemipelagic sedimentation under an anoxic/euxinic water column was interrupted by low density bottom currents or detached diluted ...
Bond, David P. G., Marynowski, Leszek, Smolarek, Justyna, Trela, Wiesław   +3 more
core   +1 more source

Lithofacies paleogeography of the Ordovician and its petroleum exploration potential in the Middle-Upper Yangtze Area, South China

Petroleum
Based on the drilling, logging and field analysis, this paper discusses the lithofacies paleogeography of the Ordovician and its petroleum potential in the Middle-Upper Yangtze Area, South China.
Wenzheng Li, Hua Jiang, Xiaodong Fu, Yuan He, Mingfeng Gu, Nan Su, Shiyu Ma, Shugen Liu, Yongxiao Wang, Xuefei Yang   +9 more
doaj   +1 more source

Upper Ordovician cryptostomatid bryozoans and microfossils from the Don Braulio Formation, Eastern Precordillera, Argentina [PDF]

, 2014
En la clásica sección de la Quebrada de Don Braulio, en la Precordillera Oriental de la Provincia de San Juan, afora la Formación Don Braulio de edad hirnantiana.
Beresi, Matilde Sylvia, Heredia, Susana Emma, Jiménez Sánchez, Andrea, Mestre García, Ana Isabel   +3 more
core  

Earliest Triassic microbialites in the South China Block and other areas; controls on their growth and distribution [PDF]

, 2007
Earliest Triassic microbialites (ETMs) and inorganic carbonate crystal fans formed after the end-Permian mass extinction (ca. 251.4 Ma) within the basal Triassic Hindeodus parvus conodont zone.
A Baud, A Baud, A Sandler, AD Woods, Alan Reynolds, AME Winguth, B Beauchamp, C Armella, CB Foster, D Chen, DH Erwin, DJ Lehrmann, DJ Lehrmann, DL Kidder, DL Lehrmann, E Garzanti, E Heydari, ES Krull, G Ryskin, H Sano, H Yang, J Haas, J Payne, J Tong, JJ Dravis, JJ Sepkoski Jr, JK Schubert, JM Kennard, JP Grotzinger, JT Kiehl, K Grice, K Grice, K Hips, K Kaiho, K Perch-Nielsen, L Krystyn, Li Guo, LR Kump, M Calner, MA Sephton, ME Brookfield, ML Fraiser, MR Saltzman, MT Whalen, N Sheldon, O Weidlich, P Sheehan, PB Wignall, PB Wignall, Pierre-Yves Collin, Qinglai Feng, R Riding, R Riding, R Riding, RA Berner, RF Dill, RJ Twitchett, RJ Twitchett, RK Goldhammer, RM Hotinski, S Crasquin-Soleau, S Crasquin-Soleau, S Kempe, S Kershaw, S Kershaw, S Kershaw, S Wang, SB Pruss, SH Bottrell, Steve Kershaw, Sylvie Crasquin-Soleau, W Wang, Xinan Mu, Y Ezaki, Y Isozaki, Y Kakuwa, Y Wang, Yue Li   +77 more
core   +2 more sources

Geological characteristics of accumulation and favorable exploration directions of the second and third members in Ordovician Majiagou Formation of deep subsalt layers, Ordos Basin

Shiyou shiyan dizhi
The geological conditions for natural gas accumulation in the deep subsalt layers of the second and third members of the Ordovician Majiagou Formation (Ma 2 and Ma 3) in the Ordos Basin are complex, and favorable exploration directions in this area ...
Zhaobing CHEN, Chenyang DUAN, Ruifeng YAN, Jianrong GAO, Ying BAI, Yanbing ZHANG, Wanglin XU, Yueqiao ZHANG   +7 more
doaj   +1 more source

Formation mechanisms and development models of dolomite reservoirs in Ordovician Yingshan Formation in Shunnan area, Tarim Basin

Shiyou shiyan dizhi, 2020
The dolomite reservoirs of the Ordovician Yingshan Formation in Shunnan area of the Tarim Basin have a great oil and gas potential. However, the genesis of different types of dolomite reservoirs is still subject to debate.
Rendong KANG, Wanbin MENG, Chunhui XIAO
doaj   +1 more source

Systematics of the Early Ordovician (late Tremadocian; Stairsian) trilobiteGonioteloidesKobayashi, with species from the Great Basin, western USA [PDF]

, 2021
Jonathan M. Adrain, Talia S. Karim
openalex   +1 more source

Devonian Sandstone Lithostratigraphy, Northern Arkansas [PDF]

, 1977
Two areas of Devonian sandstone development may be recognized in northern Arkansas. In northwestern Arkansas, the Clifty Formation comprises a massively bedded, super mature quartz arenite of Middle Devonian age overlain by thinner bedded, phosphatic ...
Hall, Jeffery D., Manger, Walter L.
core   +2 more sources

A revision of the Late Ordovician marrellomorph arthropod Furca bohemica from Czech Republic (project)

, 2021
Roman Rak, O Ortega-Hernández, Alan Legg   +2 more
openalex   +1 more source