نتایج جستجو برای: units including halite siltstone ngsih

تعداد نتایج: 1124897  

2014
Yan-jun Zhao Hua Zhang Cheng-lin Liu Bao-kun Liu Li-chun Ma Li-cheng Wang

Climate changes within Cenozoic extreme climate events such as the Paleocene-Eocene Thermal Maximum and the First Oligocene Glacial provide good opportunities to estimate the global climate trends in our present and future life. However, quantitative paleotemperatures data for Cenozoic climatic reconstruction are still lacking, hindering a better understanding of the past and future climate con...

2001
J. C. Bridges D. A. Banks M. M. Grady

Introduction: By analyzing the stable Cl-isotopes of halite from the Zag H-breccia and comparing the results with those from other chondritic materials we can provide new information about isotopes in the early Solar System. In particular Cl-isotope work may complement O-isotope studies. We show for the first time that substantial Cl/Cl fractionation exists between chondrite components. Zag hal...

ژورنال: کواترنری ایران 2018

We studied mineral and deposition records in a dry lake playa, Sabzevar, northeastern, Iran. For sampling soil and depositional records, 12 samples were taken along Playa surfaces including firm puffy ground, clay-carbonate plain, and salty pan with the dominance of Halite salts. All profiles were excavated by hand auger with a 5 cm diameter head to a depth of ~5 cm. Sediment analysis was carri...

2017
Jonathan P. Allen Christopher R. Fielding

The Late Permian Betts Creek Beds form a succession of coal-bearing alluvial-coastal plain sediments in a basin marginal setting within the northeastern Galilee Basin, Queensland, Australia. The unit is ~ 50–60 m in thickness at Porcupine Creek National Park where outcrop is laterally continuous for several kilometers. Eight facies have been identified within the formation and can be grouped in...

2013
Robert Bussert

The outcropping Cretaceous siliciclastic sediments in the Al Bauga area in Northern Sudan reach a maximum thickness of about 30 meter. They rest with angular unconformity on tilted Precambrian basement rocks and are capped by Tertiary-Quaternary basalts forming a type of nonconformity. The sedimentary sequence was subdivided into three major units separated by two disconformities. The lower uni...

2011
Krithivasan Sankaranarayanan Michael N. Timofeeff Rita Spathis Tim K. Lowenstein J. Koji Lum

Fluid inclusions in evaporite minerals (halite, gypsum, etc.) potentially preserve genetic records of microbial diversity and changing environmental conditions of Earth's hydrosphere for nearly one billion years. Here we describe a robust protocol for surface sterilization and retrieval of DNA from fluid inclusions in halite that, unlike previously published methods, guarantees removal of poten...

2010
Nadja Schmidt

The Salar de Uyuni, a salt pan located in the Bolivian Andes, was subject to hydrogeological and hydrochemical investigations between June and September 2009. During a drilling and sampling campaign halite cores were gained from different bore holes with depths between 2 and 12 m at two locations in the north eastern and the central part of the Salar (named SLT-01 and SLT-03, respectively). Bri...

Journal: :Journal of Geography (Chigaku Zasshi) 2003

1999
D. G. RAYMER

LÕanalyse de la texture du sel gemme naturel et du halite dŽformŽ expŽrimentalement a montrŽ quÕil se produit une orientation prŽfŽrentiel le du rŽseau dans les cristaux de halite. Les paramtres dՎlasticitŽ pour une sŽrie dÕagrŽgats polycristallins de halite sont calculŽs en utilisant les fonctions de distribution dÕorientation. Ils sont alors utilisŽs pour Žlaborer des modles sismiques dans...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید