Results 241 to 250 of about 30,193 (302)

Differential Enrichment of Organic Matter in the Da'anzhai Member of the Sichuan Basin: A Response to the Toarcian Oceanic Anoxic Event. [PDF]

ACS Omega
Yang X, Yang F, Zhang S, Qiu R, Tang Y, Tang S.   +5 more
europepmc   +1 more source

Gallium Abundance and Isotope Geochemistry in Coal and Mudstone from the Huainan-Huaibei Coalfield: Implications for Geological Processes and Resource Utilization. [PDF]

ACS Omega
Wang C, Liu H, Wu D, Zhao S, Hu G, Liu W, Luo H.   +6 more
europepmc   +1 more source

Mineral and geochemical variability of the phosphorite deposits in the Duwi Formation, Western Desert, Egypt: Insights into paleoenvironment and physicochemical conditions. [PDF]

Sci Rep
Saleh GM, Azer MK, Saadawi DA, Negm SH, Lasheen ESR.   +4 more
europepmc   +1 more source

Stratigraphic and structural architecture of the inner ramp carbonates in the Northern Galala Plateau, Egypt: synergizing remote sensing and field data. [PDF]

Sci Rep
Fathy MS, Abd El-Wahed MA, Faris M, Ali AS, Attia M.   +4 more
europepmc   +1 more source

Carbonated mantle peridotites represent a hidden sink for subducted CO₂. [PDF]

Nat Commun
Carter EJ, O'Driscoll B, Burgess R, Clay PL, Balcone-Boissard H, Bürckel P, Oman Drilling Project Science Team.   +6 more
europepmc   +1 more source

Estimation of rock pressure during an excavation/cut in sedimentary rocks with inclined bedding planes [PDF]

Structural Safety, 2013
The estimation of rock pressure induced by an excavation/cut in sedimentary rocks is addressed in this study. A simplified stochastic model is proposed to model this rock pressure to account for sliding along parallel bedding planes as well as random ...
Zon-Yee Yang, Jianye Ching, Chien‐Jung Chen   +2 more
exaly   +2 more sources

A Study on Rock Mass Classifications and Tunnel Support Systems in Unconsolidated Sedimentary Rock [PDF]

Sustainability, 2017
This paper presents new valuable field data and a comprehensive approach to the determination of the rock mass classification and tunnel support systems for tunnels in unconsolidated sedimentary rocks as a special soil condition.
Sangseom Jeong, Junyoung Ko, Jeong Sangseom   +2 more
exaly   +2 more sources

An elastoplastic model for soft sedimentary rock considering inherent anisotropy and confining-stress dependency [PDF]

Soils and Foundations, 2012
The inherent anisotropy of soft sedimentary rock is a very important factor that influences the mechanical behavior of the rock. The confining-stress dependency of the shear stress ratio at the critical state, briefly referred to as the confining-stress ...
Wenqi Ding, Atsushi Yashima
exaly   +2 more sources

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Sedimentary Rocks of Early Mars

Science, 2000
Layered and massive outcrops on Mars, some as thick as 4 kilometers, display the geomorphic attributes and stratigraphic relations of sedimentary rock. Repeated beds in some locations imply a dynamic depositional environment during early martian history.
M C, Malin, K S, Edgett
openaire   +2 more sources

Sedimentary Rocks

2021
  +4 more sources