ABSTRACT: Petrographic and structural characterization of some Colombian coals

Ricardo Ruiz M., José Jaramillo M., Astrid Blandón M.

The Society for Organic Petrology (TSOP)

... characteristics by X-ray diffraction. With this technique it was possible to verify that these coals consist of a disorder structure (turbostatic...

ABSTRACT: Improving rheological and filtration properties of locally formulated drilling mud with the addition of Nigerian lignite at high temperatures and high pressures

O.A. Ehinola, O.A. Falode, A.O. Olorunnisola,, O.O. Sonibare

The Society for Organic Petrology (TSOP)

... bentonite clays, barite and lignite have been characterized using X-ray diffraction techniques and X-ray fluorescence techniques. The physicochemical...

ABSTRACT: Pore structure, macromolecular structure and adsorption characteristics of tectonically deformed coal

Jienan Pan, Meng Li

The Society for Organic Petrology (TSOP)

... structure of coal. The D002 of the XRD diffraction pattern of strong, brittle deformed coals is obviously smaller than that of the primary structure...

ABSTRACT: Depositional Environments for the A and B Coal Seams, Ermelo Coalfield: Insights from Petrology, Mineralogy and Stable Isotopes

S. Mukatuni, N. J. Wagner, O. M. Moroeng

The Society for Organic Petrology (TSOP)

... the A and B Seams of the coalfield, and assessed using organic petrography, X-Ray Diffraction, and stable isotopes. The investigated samples are dominated...

Occurrence of Blueschist in the Nan River Mafic-Ultramafic Belt, Northern Thailand

S. M. Barr, A. S. Macdonald, W. Yaowanoiyothin, Y. Panjasawatwong

Geological Society of Malaysia (GSM)

... 15-30% blue amphibole which has been identified as crossite on the basis of its petrographic features and X-ray diffraction pattern (Table 1). Other...

Abstract: Exploration in Rugged Terrain in Overthrust Belt, by T. R. Lafehr, D. J. Guion, A. T. Herring; #90963 (1978).

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Eagle Ford Formation of the Subsurface Maverick Basin Area, South Texas

Brian Driskill

Houston Geological Society Bulletin

..., biostratigraphy, chemostratigraphy, thin-section, computed x-ray tomography, x-ray diffraction/ fluorescence, and scanning electron microscopy data were...

"The Lower Jurassic "Nordegg Member", Western Canada Sedimentary Basin [Abstract]"

Riediger, C.L., Fowler, M.G., Snowdon, L.R.

CSPG Bulletin

... in the study include Rock-Eval/TOC analysis, biomarker studies, organic petrographic techniques, and X-ray diffraction and scanning electron microscope...

Abstract: Equalizing Stacking Velocities of Dipping Events, by John W. Sherwood, Philip Schultz, David Judson; #90963 (1978).

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"Reservoir Quality Analysis: An Overview [Abstract]"

Thom, R.C.

CSPG Bulletin

..., scanning electron microscopy (SEM), and X-ray diffraction (XRD) techniques. Potential problems that may affect reservoir quality include fine fraction...

3. The Mineralogy of the Funafuti Drill Cores and its Bearing on the Physicochemistry of Dolomite

Robert F. Schmalz

Journal of Sedimentary Research (SEPM)

... made by methods which today appear unreliable however, and the present study re-examined the cores by x-ray diffraction techniques. The distribution...

Abstract: Gold-Bearing, Quartz Veins from the Ajmal Mine Kuala Lipis Area, Pahang, Malaysia

K. K. Cheang, Zulkifli Che Kasim

Geological Society of Malaysia (GSM)

..., chemical and X-ray diffraction studies confir1l1('d the olive-grey mineral to be tetrahedrite, the antimony-rich end-member of the solid-solution...

Abstract: Potential Alkali…Silica Reactivity of Tuffaceous Rocks in the Pengerang Area, Johore

Chow Weng Sum, Ab. Majid Sahat

Geological Society of Malaysia (GSM)

... contained reactive minerals. X-Ray Diffraction studies showed the possible occurrences of reactiVe tridymite and cristobalite in some of the samples...

ABSTRACT: Mineral Composition in Some Brazilian Coal Cleaning Residues and Effects On Acid Generation and Human Health

Marcos L. S. Oliveira, Xavier Querol, Robert B. Finkelman, Fernando A. R. Guedes, Marcus Martinello, Vivian Philippi, Luis F. Silva, Kátia da Boit

The Society for Organic Petrology (TSOP)

... cleaning residues (CCR) from Santa Catarina, Brazil coals. To charachterize the minerals we used, X-ray Diffraction, Micro-Raman Spectroscopy, Mössbauer...

Abstract: Disintegration of Road Aggregates along Parts of the Gurun-Alor Setar and Ipoh-Changkat Jering Highways

Abdul Majid Sahat, Chow Weng Sum

Geological Society of Malaysia (GSM)

... of these two stretches of the Highway. brownish streaks were seen on the road surfaces. X-ray diffraction studies showed that these brownish streaks...

ABSTRACT: Assessing the importance of pyrobitumen in unconventional reservoirs

Tim E. Ruble, Christopher D. Laughrey, Herman Lemmens, Greg Walker , Wayne R. Knowles

The Society for Organic Petrology (TSOP)

... defined Spy™ peak associated with the occurrence of pyrobitumen. In samples that have entered into early-stage metamorphism, x-ray diffraction is used...

ABSTRACT: Mineralogy and geochemistry of individual coal seam subsections in the Sydney Basin, Australia

Lei Zhao

The Society for Organic Petrology (TSOP)

... have been evaluated using optical and electron microscopy, X-ray diffraction and chemical analysis techniques. The roof and floor of the Bulli and Great...

ABSTRACT: Influence of CO2 on organic-rich shale composition and pore structure; Example from the New Albany Shale

R.W. Lahann, M. Mastalerz, J. R. Rupp

The Society for Organic Petrology (TSOP)

... by mesopore and micropore analysis, X-ray diffraction and scanning electron microscope analysis of the shale residue and fluid chemistry analysis...

Abstract: Petrophysical Analysis of Sandstones Using CT Scanning and Conventional Methods

J. M. Perez

GCAGS Transactions

... Tomography (CT) scanning, standard thin section, Electron Microscopy (EM), micromorphology, X-ray diffraction (XRD), and grain size mechanical analyses were...

ABSTRACT: Water-Sensitive Shales of Gulf of Mexico: Correlation with CEC Values for PDC Bit Applications, by David E. Cook; #91038 (2010)

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Abstract: Mudrocks and Their Diagenesis

Jenny Huggett

Geological Society of Malaysia (GSM)

... their diagenesis is derived from X-ray diffraction studies of the clays and other minerals present. With modem electron optical techniques (back...

The So-Called "Chert Nodules" of the Oriskany Sandstone and the Problem of Phosphates: ABSTRACT

Constantin N. Apsouri

AAPG Bulletin

...." These "chert nodules" were studied by the writer; they are phosphatic, the phosphate occurring in the form of collophane. X-ray diffraction pattern...

Identification of Dolomite: DISCUSSION

V. B. Tatarsky

Journal of Sedimentary Research (SEPM)

... of dolomite by the shape and extinction of its crystals, high birefringence, and =1.680 less reliable than its identification by X-ray diffraction patterns...

Abstract: Study of Dustfall in the Labu-Nilai-Pajam Area

Ng Tham Fatt, Yap Siaw Yang, Yeap Ee Beng

Geological Society of Malaysia (GSM)

... and granulometry of the dust are studied using X-ray powder diffraction analysis and microscopy. Some aspects of dust characterization will be presented...

Mineralogy of the Lower Contact Zone of the Double Rainbow Mine, Galena, South Dakota

David H. Garske

Wyoming Geological Association

..., and x-ray powder diffraction. Arsenopyrite was erronously identified as loellingite in the district (Connolly and O'Harra, 1929). It usually occurs...