Results 71 to 80 of about 1,500,431 (221)
Hydrogeological environment of the Paleozoic formations beneath the Productive Carboniferous in the Upper Silesian Foredeep [PDF]
, 2008 The investigations carried out in the deep boreholes Goczałkowice IG-1 (3353.5 m) and Sosnowiec IG-1 (3442.6 m) in the Upper Silesian Foredeep allow to recognize the hydrogeological environment of the Paleozoic strata beneath the Productive Carboniferous.
Różkowski, A.
core
On the Upper Ordovician unconformity in the Pyrenees : new evidence from the La Cerdanya area [PDF]
, 2007 In recent years, contradictory reports about whether or not an unconformity exists at the base of the Upper Ordovician succession of the Pyrenees have been made.
Casas, J.M. +4 more
core +1 more source
Geologia USP. Série Científica, 2016 The post-Paleozoic stratigraphic setting of Manaus and Itacoatiara area (central Amazonia) was developed based on four coross-sections containing geophysical and lithological data from 15 wells, up to 300 m deep, and outcrop description.
Emílio Alberto Amaral Soares +2 more
doaj +1 more source
Upper Iowa University Catalog; Upper Iowa University Bulletin
[Title], Upper Iowa University Digital Archives, [Reference URL]. See 'About' page for more information;Digitized 600 dpi 48-bit color tiff, saved as jpeg, edited with Windows Live Photo ...
Upper Iowa University
core +1 more source
A Discussion on the transgression model of Upper Paleozoic in Huanghua Depression
IOP Conference Series: Earth and Environmental Science, 2019 Abstract In this paper, the sedimentary, geochemical and coal petrographic characteristics of the Upper Paleozoic Taiyuan and Shanxi Formations in Huanghua Depression are systematically analyzed. It is found that the formation process of Taiyuan Formation coal seam is greatly influenced by sea water.
Chuanming Li +5 more
openaire +1 more source
Shiyou shiyan dizhiA certain amount of helium is found in the natural gas of both the Dongsheng and Daniudi gas fields in the Hangjinqi area of the Ordos Basin. However, the average helium content in the Daniudi Gas Field is only about one-fourth of that in the Dongsheng ...
Jie WANG +7 more
doaj +1 more source
Indo-Brazilian Late Palaeozoic wildfires: an overview on macroscopic charcoal
Geologia USP. Série Científica, 2016 Sedimentary charcoal is widely accepted as a direct indicator for the occurrence of paleo-wildfires and, in Upper Paleozoic sediments of Euramerica and Cathaysia, reports on such remains are relatively common and (regionally and stratigraphically) more ...
André Jasper +10 more
doaj +1 more source
Petroleum Exploration and Development, 2017 Based on the carbon isotopic compositions of Cambrian-Ordovician source rocks Kerogen Samples and Paleozoic crude oil in the platform region of Tarim Basin, the origin and source of Paleozoic crude oil were investigated.
Xinjian ZHU +6 more
doaj +1 more source
The Anatomical Record, Volume 309, Issue 11, Page 3187-3217, November 2026.Abstract The ray‐finned fishes include one out of every two species of living vertebrates on Earth and have an abundant fossil record stretching 380 million years into the past. The division of systematic knowledge of ray‐finned fishes between paleontologists working on extinct animals and neontologists studying extant species has obscured the ...
Jack Stack
wiley +1 more source
Structure and petroleum prospects of the northern part of the Barents-Kara Sea region
GeoresursyThe geological structure and the petroleum potential of the western part of the Russian Arctic shelf are still matter for disputes, especially due to the absence of deep drilling and scarce data.
A. A. Suslova +8 more
doaj +1 more source