Physiographic Controls on the Composition of Sediments Derived from Volcanic and Sedimentary Terrains on Barro Colorado Island, Panama: REPLY

Mark J. Johnsson, Robert F. Stallard

Journal of Sedimentary Research (SEPM)

... data base, and the extent to which the boundaries of the provenance fields vary with chemical weathering effects is unknown. As Dickinson and Ingersoll...

Clay Minerals in the Weathering Profile of a Quartz-Muscovite Schist in the Siliau Area, Negeri Sembilan

J. K. Raj

Geological Society of Malaysia (GSM)

...Clay Minerals in the Weathering Profile of a Quartz-Muscovite Schist in the Siliau Area, Negeri Sembilan J. K. Raj Clay minerals in the weathering...

CRETACEOUS ROCKS ON THE NORTH FLANK OF THE BLACK HILLS UPLIFT

W. A. COBBAN

Montana Geological Society

... calcareous and ferruginous concretions weathering tan, buff, yellow, orange, and red. The base of the Turner sandy member is marked...

Assessing Changes in Elemental Mass as a Result of Chemical Weathering of Granodiorite in a Mediterranean (Hot Summer) Climate

Gary H. Girty, Jeffrey Marsh, Aron Meltzner, Jessica R. McConnell, Damon Nygren, Joanna Nygren, Gail M. Prince, Kesler Randall, Diane Johnson, Brett Heitman, Jennifer Nielsen

Journal of Sedimentary Research (SEPM)

... the base of the weathering profile, and is composed of light gray to yellowish/orange (8YR 5/4) hypidiomorphic granular granodiorite (Fig. 3). When struck...

Abstract: Effects of natural organic acids on determining the inorganic chemistry of freshwaters

T. A. Clair

Atlantic Geology

..., specific conductance, ANC, colour and base cations between the two dates, though sulphate, the ion most likely to reflect acid precipitation, did...

Reservoir Characteristics of the Tarim Basin, China, by S. Cao and J. Tang; #90986 (1994).

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A Mineralogical Study of Loess Near St. Charles, Missouri

Rosalie T. Oefelein

Journal of Sedimentary Research (SEPM)

... of buff loess overlying gray loess near St. Charles, Missouri, indicates that the buff loess was produced by the weathering and oxidation of the gray loess...

ABSTRACT: THE HAZARDOUS ARSENIC IN COAL MINING SPOILS OF HUAINAN

Longpeng Cui, Wenhui Huang, Jianfeng Bai, Yonghong Shi, Hongwei Li, Xiuyi Tang

The Society for Organic Petrology (TSOP)

... of Science & Technology, Huainan 232001, China 3 Department of Chemistry, University of Aberdeen, AB24 3UE, UK Huainan coal mine is an important coal base...

Gas and Oil in the Weathered Zone of the Basement in the Shaim Region

Ye. G. Zhuravlev, T. A. Lapinskaya, Yu. B. Fayn

Petroleum Geology: A Digest of Russian Literature

... includes the Middle Jurassic and base of the Upper Jurassic, and also the weathered zone of the basement at the base of the sedimentary cover. The region...

Organic Matter in Black Slate Shows Oxidative Degradation Within Only a Few Decades

Cornelius Fischer, Volker Karius, Volker Thiel

Journal of Sedimentary Research (SEPM)

.... 77 (2007) No. 5. (May) Low-grade metamorphic black slates were examined for the impact of oxidative weathering after exposure to the atmosphere...

The Ghost River Near Bow Valley

Rein deWit

CSPG Special Publications

... had found equivalents of the Ghost River at the base of the Devonian west of the type locality and logically concluded that the Ghost River...

Bighorn Formation in the Central Foothills of Alberta

Donald F. Stott

CSPG Special Publications

..., with 3″ × 6″ concretions at base. 3 229 31 Sandstone, fine-grained, slightly laminated, massive, rusty weathering, light grey, 2″-3″ concretionary bands...

Lithological and Geochemical Aspects of the Upper Devonian Torquay Formation, Saskatchewan

James E. Christopher

Journal of Sedimentary Research (SEPM)

... of intraformational weathering acting under conditions of alternating oxidation and reduction. BRINDLE, J. E., 1960, Mississippian megafaunas...

Abstract: Magnitude of Tectonic Uplift Events Along Passive Margins Estimated from Analysis of Base-Level Governed Erosion Surfaces, by Johan M. Bonow and Peter Japsen; #90082 (2008)

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Spheroidal Weathering in Marls and Chalks of Gebel Gurnah Near Luxor, Southern Egypt

Amin R. Gindy , Ahmad J. Al-Shakiry, Nadi A. Sa'ad

Journal of Sedimentary Research (SEPM)

...Spheroidal Weathering in Marls and Chalks of Gebel Gurnah Near Luxor, Southern Egypt Amin R. Gindy , Ahmad J. Al-Shakiry, Nadi A. Sa'ad 1985 Vol. 55...

Fossil Andisols Identified with Mass-Balance Geochemistry (Oligocene John Day Formation, Oregon, U.S.A.)

Erick A. Bestland

Journal of Sedimentary Research (SEPM)

... developed soil. This lack of base cation weathering trends is due to minor changes in feldspar content vertically in the profile. This pedotype is found...

Spray River Formation

F. G. Fox

CSPG Bulletin

... formation consists of brown to reddish-brown weathering, dark grey, fine grained, silty and sandy carbonate rocks, with fissile shales towards the base...

Strontium-derived global eustasy applied to the Scotian Atlantic margin

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Geological Note: Sukunka Formation: a new Middle Devonian lithostratigraphic unit, northeastern British Columbia, Canada

A. S. Hedinger

CSPG Bulletin

... orthoquartzite, dolostone and sandy dolostone. It is overlain by the middle member that consists predominantly of brick red weathering siltstones interbedded...

CLAY MINERALOGY OF MESOZOIC SEDIMENTS IN THE VICINITY OF DRUMMOND, MONTANA

R. F. Ehinger, J.W. Goers, M.L. Hall, W.L. Harris, H.A. Illich, R. M. Petkewich, D. R. Pevear, C. J. Stuart, G. R. Thompson

Montana Geological Society

.... Petkewich, D. R. Pevear, C. J. Stuart, G. R. Thompson 1965 58 66 CITED Aomine, S ., and Wada, K ., 1962, Differential weathering of volcanic ash...

Cretaceous Strata of the Ute Mountains Area of Southwestern Colorado

F.N. Houser, E.B. Ekren

Rocky Mountain Association of Geologists

... a slope; contains a 6-inch flaggy gray, beige-weathering sandstone about I foot from base; composed of angular quartz with abundant limonite and minor iron...

Stratigraphy of the Lower Part of the Belt-Purcell Supergroup (Middle Proterozoic) in the Lewis Thrust Sheet of Southern Alberta and British Columbia

Peter R. Fermor, Raymond A. Price

CSPG Bulletin

... and recessive-weathering sandy argillite. The contact with the overlying Appekunny Formation is gradational and is placed at the base of the first bed...

A Formation of Late Miocene and Early Pliocene Age on the North Slope of the Santa Susana Mountains, California: ABSTRACT

Edward L. Winterer, David L. Durham

AAPG Bulletin

...-weathering shales and mudstones. Marked lateral changes in lithology are common. The coarser-grained rocks are lenticular, but the shales and mudstones...

Application of multi-element geochemistry in the weathered environment: Controls, considerations and implications for exploration

Fiona Best, Matthew Readford, Kristina Walcott

Petroleum Exploration Society of Australia (PESA)

... mineralised areas, this approach could not be used to map the base of weathering, and subtle depletion in mobile elements, such as Ca and Na, in volcanic...

Post-Depositional Subaerial Weathering Effects on the Mineralogy of an Upper Cretaceous Sand in Southeastern United States

Norman C. Hester

Journal of Sedimentary Research (SEPM)

...Post-Depositional Subaerial Weathering Effects on the Mineralogy of an Upper Cretaceous Sand in Southeastern United States Norman C. Hester 1974 Vol...