نتایج جستجو برای: interbedded siltstone

تعداد نتایج: 581  

2004
Thomas J. Campbell

Introduction The lowest known portion of the Poorman Formation as determined from diamond drilling and mapping is the Yates Unit. It largely comprises amphibolite, but also contains interbedded volcaniclastics, calc-silicate beds, metachert, and carbonate-rich semipelitic rocks. This unit is exposed at the surface in the Blacktail Gulch area north of Lead and continues down-plunge to the southe...

2007
Ralph E. J. Boerner Elaine Kennedy Sutherland

Young’s Branch (YB), located on a portion of the Wayne National Forest in Lawrence County, is located on bedrocks belonging to the Allegheny group. By contrast, Bluegrass Ridge (BR), the other study area in Lawrence County, is underlain by sedimentary strata of the Connemaugh group. The bedrock complex includes a combination of sandstones, sandy shales (or siltstones), and clay shales (Denton e...

2013
X. Gong

Steam-Assistant-Gravity-Drainage (SAGD) has become one of the most commonly used thermal recovery processes to extract heavy oil from oil sand reservoirs, especially in Northern Alberta, Canada. However, due to geological history, interbedded shales (IBS) in the reservoir act as barriers due to their low permeability and as such hinder the progression of the steam chamber. Cap-rock integrity al...

Journal: :مرتع و آبخیزداری 0
سید هاشم حسینی سادات فیض نیا حمید پیروان غلامرضا زهتابیان

in iran, fine grained formations (neogene's units) are very susceptible to erosion. also, they are the units producing runoff and causing soil loss in watersheds. the objectives of this study is to assess the effect of physical - chemical and mechanical properties of these formations on sediment and runoff rates at different rainfall intensities, based on using field simulator in taleghan ...

Journal: :E3S web of conferences 2023

The Upper Cretaceous Nenjiang Formation in Songliao Basin is characterized by delta front subfacies, with a large area of thin channel sand and sheet sand, which typical problem interbed identification. In this paper, based on the theoretical basis seismic sedimentology artificial intelligence algorithm, application layer slicing technology data after 90 ° phase shift processing are used to car...

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