Search Results - "Stephen E. Kaczmarek"

Mineralogy, nucleation and growth of dolomite in the laboratory and sedimentary environment: A review by Gregg, Jay M., Bish, David L., Kaczmarek, Stephen E., Machel, Hans G.

“…Dolomite [CaMg(CO3)2] forms in numerous geological settings, usually as a diagenetic replacement of limestone, and is an important component of petroleum…”
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Rhombic calcite microcrystals as a textural proxy for meteoric diagenesis by Hashim, Mohammed S., Kaczmarek, Stephen E.

“…Numerous Phanerozoic limestones are comprised of diagenetic calcite microcrystals formed during mineralogical stabilization of metastable carbonate sediments…”
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On the evolution of dolomite stoichiometry and cation order during high-temperature synthesis experiments: An alternative model for the geochemical evolution of natural dolomites by Kaczmarek, Stephen E., Sibley, Duncan F.

“…Data collected from a series of high-temperature dolomitization experiments in which dolomite replaces calcite in Mg–Ca–Cl solutions indicate that dolomite…”
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Clumped Isotope Reordering and Kinetic Differences in Co-Hosted Calcite and Dolomite Minerals throughout Burial Diagenesis and Exhumation by Qi Adlan, Stephen E. Kaczmarek, Cédric M. John

“…The clumped isotope paleo-thermometer has become a valuable proxy for the burial history reconstruction of carbonate formations. To maximise the accuracy of…”
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The effect of temperature on stoichiometry, cation ordering, and reaction rate in high-temperature dolomitization experiments by Kaczmarek, Stephen E., Thornton, Brian P.

“…Natural dolomites exhibit a wide range of compositional and structural characteristics with respect to the amount and positions of calcium and magnesium…”
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A global study of dolomite stoichiometry and cation ordering through the Phanerozoic by Manche, Cameron J, Kaczmarek, Stephen E

“…Various geochemical proxies are used to constrain the diagenetic origin and evolution of ancient dolomites. Dolomite stoichiometry (mole% MgCO3) and cation…”
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Direct physical evidence of dolomite recrystallization by Kaczmarek, Stephen E., Sibley, Duncan F.

“…The possibility of recrystallization is a long‐standing barrier to deciphering the genetic origin of dolomites. There is often uncertainty regarding whether or…”
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Early and pervasive dolomitization by near‐normal marine fluids: New lessons from an Eocene evaporative setting in Qatar by Ryan, Brooks H., Kaczmarek, Stephen E., Rivers, John M., Hollis, Cathy

“…The upper Palaeocene–lower Eocene Umm er Radhuma Formation in the subsurface of Qatar is dominated by subtidal carbonate depositional packages overlain by…”
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Dolomite mineralogy as a proxy record for lake level fluctuations; a case study from the Eocene Uteland Butte Member of the Green River Formation, Uinta Basin, Utah, U.S.A by Manche, Cameron J, Kaczmarek, Stephen E

“…The Eocene Uteland Butte Member of the Green River Formation in the Uinta Basin is characterized by lacustrine carbonate depositional cycles consisting of…”
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Investigations on the effect of current density on SiO/Si composite electrodes by Xiong, Jie, Yang, Jian, Wang, Guanyi, Saeed, Tahseen, Liu, Yuzi, Kaczmarek, Stephen E, Lu, Wenquan, Wu, Qingliu

“…An oxide layer on the surface of silicon particles is inevitable and is necessary for their application as anode materials for lithium ion batteries with high…”
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A universal classification scheme for the microcrystals that host limestone microporosity by Kaczmarek, Stephen E, Fullmer, Shawn M, Hasiuk, Franciszek J

“…Microporosity is recognized as a significant concern in Phanerozoic-age limestone reservoirs throughout the world because its presence can severely complicate…”
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Extensive recrystallization of Cenozoic dolomite during shallow burial: A case study from the Palaeocene–Eocene Umm er Radhuma formation and a global meta‐analysis by Ryan, Brooks H., Kaczmarek, Stephen E., Rivers, John M., Manche, Cameron J., Betzler, Christian

“…Recrystallization of dolomite can alter textural, mineralogical and geochemical attributes used to infer environmental conditions of initial dolomitization. A…”
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Evolution of calcite microcrystal morphology during experimental dissolution by Hashim, Mohammed S, Kaczmarek, Stephen E

“…Phanerozoic limestones are composed of low-Mg calcite microcrystals (i.e., micrite) that typically measure between 1 and 9 µm in diameter. These microcrystals,…”
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Dolomite dissolution: An alternative diagenetic pathway for the formation of palygorskite clay by Ryan, Brooks H., Kaczmarek, Stephen E., Rivers, John M., Tosca, Nicholas

“…Palygorskite is a fibrous, magnesium‐bearing clay mineral commonly associated with Late Mesozoic and Early Cenozoic dolomites. The presence of palygorskite is…”
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Dologrus: The impact of meteoric‐water‐controlled diagenesis following early‐marine dolomitization by Rivers, John M., Kaczmarek, Stephen E., Brasier, Alexander

“…Carbonate rocks that have suffered early near‐surface dolomitization followed by extended meteoric exposure commonly undergo partial delithification, a process…”
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Effects of sodium and potassium concentrations on dolomite formation rate, stoichiometry and crystallographic characteristics by Hashim, Mohammed S., Rose, Katharine G., Cohen, Hanna F., Kaczmarek, Stephen E.

“…This study uses high temperature (215°C) dolomitization experiments to explore the effects of sodium (Na) and potassium (K), two common constituents of natural…”
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Multi-episodic recrystallization and isotopic resetting of early-diagenetic dolomites in near-surface settings by Ryan, Brooks H., Kaczmarek, Stephen E., Rivers, John M.

“…The lower Eocene Rus Formation in Qatar reflects carbonate deposition in a semirestricted to fully restricted marine setting on a shallow ramp. Petrographic,…”
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Clumped isotope evidence for the formation of nonplanar dolomite textures at near-surface temperatures by Ryan, Brooks H, Petersen, Sierra V, Rivers, John M, Kaczmarek, Stephen E

“…Dolomite textures are widely interpreted to reflect physical, mineralogical, and geochemical conditions of crystal growth. In particular, nonplanar dolomites,…”
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Diagenetic origins of the calcite microcrystals that host microporosity in limestone reservoirs by Hasiuk, Franek J, Kaczmarek, Stephen E, Fullmer, Shawn M

“…Micron-size pores are common in limestones, and they host significant hydrocarbon reserves in conventional and unconventional plays worldwide. Previous studies…”
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Cenozoic coastal carbonate deposits of Qatar: Evidence for dolomite preservation bias in highly‐arid systems by Rivers, John M., Yousif, Ruqaiya, Kaczmarek, Stephen E., Al‐Shaikh, Ismail, Hollis, Cathy

“…In the ancient rock record, early replacement of metastable marine calcium carbonate deposits by dolomite has long been associated with evidence of arid…”
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