Hydrodynamics of Carbonate Fecal Pellets

Harold Rogers Wanless, Elizabeth Ann Burton, Jeff Dravis

Journal of Sedimentary Research (SEPM)

... marine environments in south Florida and the Bahamas permits calibration with the hydrodynamic behavior of quartz spheres. Well-hardened carbonate pellets...

Eocene Diatom Chert From Adak Island, Alaska

James R. Hein, Hseuh-Wen Yeh, John A. Barron

Journal of Sedimentary Research (SEPM)

...Eocene Diatom Chert From Adak Island, Alaska James R. Hein, Hseuh-Wen Yeh, John A. Barron 1990 Vol. 60 No. 2. (March), Bedded quartz cherts...

Carbonate-Hosted Mineralization Of The Lower Ordovician Ogdensburg Formation: Evidence For A Paleozoic Thermal Anomaly in the St. Lawrence-Ottawa Lowlands of New York and Ontario

Kathleen Counter Benison, Tim K. Lowenstein

Special Publications of SEPM

... deposits Mineralization sphalerite pyrite Cu barite quartz calcite and saddle dolomite sulfides is minor and occurs as latevug fracture and breccia...

Sedimentology and Diagenesis of the St. Peter Sandstone, Central Michigan Basin, United States (1)

DAVID A. BARNES , CARL E. LUNDGREN , and MARK W. LONGMAN

AAPG Bulletin

... sea. Sandstone composition is closely related to depositional environment: quartz arenites occur in higher energy littoral facies, whereas...

Diagenesis of the Mt. Simon and Rose Run Sandstones in Western West Virginia and Southern Ohio

M. T. Heald, G. F. Baker

Journal of Sedimentary Research (SEPM)

... typically ranged from 3 to 9% and significantly reduced porosity in many samples. Quartz cement was much less common ranging generally from I to 3%, although...

Geochemical Evidence for a Temporal Control on Sandstone Cementation: Chapter 3: CONTRAINTS ON DIAGENETIC PROCESSES

J. G. Gluyas, S. M. Grant , A. G. Robinson

AAPG Special Volumes

..., Haltenbanken, the homogenization temperatures of primary fluid inclusions in quartz cement are correlated with depth over the entire basin. The inclusions...

Cements: PART 1

AAPG Special Volumes

... Ricker Ss. Mbr. of Mineral Wells Fm. Texas. An early to intermediate stage of quartz overgrowth cementation. The detrital quartz grains have well...

Abstract: A Petrographic Analysis of the Home Creek Limestone (Upper Pennsylvanian), North Central Texas

Richard Allen Hagar

Abilene Geological Society

... Creek Limestone may be divided into eight distinct facies. Facies are: algal-bryozoan wackestone; bryozoan wackestone; foraminifer-detrital quartz...

Abstract: Geothermometry and geobarometry of xenoliths in the Ten Mile Lake Gabbro of the Liscomb Complex, central Nova Scotia

Helen McLaughlin

Atlantic Geology

... + sillimanite +quartz± kyanite ± staurolite ± sulfides ± spine!. The calc-silicate xenoliths contain carbonate + garnet + diopside + amphibole + quartz...

Quartz Microtextures as Indicators of Subaqueous Density Flow

Bruce S. Appelbaum, Arnold H. Bouma

GCAGS Transactions

...Quartz Microtextures as Indicators of Subaqueous Density Flow Bruce S. Appelbaum, Arnold H. Bouma 1974 Vol. 24 (1974), Quartz samples from density...

Abstract: A mineralogical and fluid inclusion study of the West Gore Sb-Au deposit, central Meguma Terrane, Nova Scotia: a possible high-level analogue for mesothermal Meguma Group lode-gold deposits

D. J. Kontak, P. K. Smith

Atlantic Geology

... fault structures. Vein fill is dominated by unstrained, bimodal quartz (coarse prismatic and fine-grained equant) and paragenetically later carbonate...

Abstract: Sligo and Hosston Depositional Patterns, Subsurface of South Texas (1)

D. G. Bebout

GCAGS Transactions

... downdip at the shelf edge. The wedge can be subdivided into three major time-equivalent parts based on quartz-sandstone and carbonate facies...

Gunung Tahan - Gunung Tangga Dua Belas: Structural Observations

Ibrahim Komoo, Mohd. Shafeea Leman, H. D. Tjia

Geological Society of Malaysia (GSM)

... of usually oligomict quartz conglomerate and conglomeratic sandstone banks; coarse-, medium- and fine-grained quartz sandstone beds (the fine-grained...

Recurrent Lithofacies and Regional Facies Change in Middle Cambrian Strata, Alberta

J. D. Aitken, D. C. Pugh

CSPG Special Publications

... Arch. (Comparable, thick clean quartz sand lithosomes are not encountered in an eastward traverse just north of the 49th parallel, except...

AAPG Hedberg Series, no. 1. Chapter 1: Advances in Hydrocarbon Fluid-inclusion Microanalysis and Pressure-volume-temperature Modeling: Diagenetic History, Pressure-temperature, and Fluid-flow Reconstruction — A Case Study in the North Potwar Basin, Pakistan

Nicole Guilhaumou, Lakhdar Benchilla, Pascal Mougin, Paul Dumas

AAPG Special Volumes

... the shallow-marine carbonates formed important fractured reservoirs. Hydrocarbon fluid inclusions recognized in authigenic quartz and calcite from...

Differential Cementation in the Tuscarora Sandstone

Milton T. Heald, Ralph C. Anderegg

Journal of Sedimentary Research (SEPM)

... is generally tightly cemented with secondary quartz but locally the cement is irregularly distributed. Some beds have a banded appearance caused...

Results of Petrographic Studies of Sandstone Cores from Rocky Mountain Structures: ABSTRACT

W. A. Waldschmidt

AAPG Bulletin

... noted. In the second group, sequence of deposition of cementing minerals was observed. The deposition of quartz, dolomite, and anhydrite in the order...

Abstract: Structural geology of the Meguma Supergroup and White Rock Formation contact in the Cape St. Marys area, southwestern Nova Scotia

Carla H. Dickson, Nicholas Culshaw

Atlantic Geology

... slate function as paleo-plumblines with respect to bedding. Burrows are now boudined downdip parallel to the quartz fringe lineation and lie within...

Shear Strength along Foliation Planes in Meta-Rhyolitic Tuff from the Dinding Schist, Kuala Lumpur

J. I. Nkpadobi, J. K. Raj

Geological Society of Malaysia (GSM)

...-rhyolitic tuff from the Lower Palaeozoic Dinding Schist shows a distinct fo liation with quartz and microcline porphyroblasts set in an a li gned fine...

New Scents on The Chattermark Trail: Weathering Enhances Obscure Microfractures

Elizabeth Decker Orr, Robert L. Folk

Journal of Sedimentary Research (SEPM)

...), The occurrence of chattermark trails varies with weathering on glacial garnet sand grains but not on quartz grains. More garnet grains in contact...

Disaggregation of Quartzites: RESEARCH-METHOD PAPER

Christopher A. Suczek

Journal of Sedimentary Research (SEPM)

...., 1980, The effect of hydrofluoric acid on quartz shape--Fourier grain shape analysis: Jour. Sed. Petrology, v. 50, p. 644-645. SUCZEK, C. A., 1981...

Mineralogy, Petrology, and Geochemistry of Porphyries and Granitic Rocks at Great Bear Lake, Northwest Territories: ABSTRACT

Gregory Mursky

AAPG Bulletin

... 539 48 4. (April) The Precambrian region between Great Bear and Great Slave Lakes is characterized by large bodies of granitic rocks and quartz...

Comparison of Quartz and Carbonate Shallow-Marine Sandstones, Cretaceous Fredericksburg, Central Texas: ABSTRACT

C. H. Moore, Jr., K. G. Martin

AAPG Bulletin

...Comparison of Quartz and Carbonate Shallow-Marine Sandstones, Cretaceous Fredericksburg, Central Texas: ABSTRACT C. H. Moore, Jr., K. G. Martin 1965...

Clay Minerals in Arctic Ocean Sea-Floor Sediments: ABSTRACT

Dorothy Carroll

AAPG Bulletin

... matter, vermiculite, chlorite (two polytypes), together with quartz, feldspar, and, in some samples, dolomite. The predominant clay mineral are mica...

Compaction Effects in Oolitic Grainstone: ABSTRACT

Alan H. Coogan

AAPG Bulletin

..., partial dolomitization, and authigenic quartz formation can be related to the degree of compaction in favorable circumstances. Noteworthy...