Papers by Tim K Lowenstein
Geochimica Et Cosmochimica Acta, 2002
One-hundred fluid inclusions in Silurian marine halite were analyzed in order to determine the ma... more One-hundred fluid inclusions in Silurian marine halite were analyzed in order to determine the major-ion composition of Silurian seawater. The samples analyzed were from three formations in the Late Silurian Michigan Basin, the A-1, A-2, and B Evaporites of the Salina Group, and one formation in the Early Silurian Canning Basin (Australia), the Mallowa Salt of the Carribuddy Group. The
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Geological Society of America Bulletin, 1997
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Applied Geochemistry, 2010
This study was carried out in the Lop Nor basin, a large arid closed drainage basin in Western Ch... more This study was carried out in the Lop Nor basin, a large arid closed drainage basin in Western China. The objective was to contribute to the understanding of the hydrological and hydrochemical processes of the Lop Nor basin by analysis of the chemical composition of different water sources and associated mineralogical characteristics of the playa sediments. The dominant river inflow
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Sedimentology, 1985
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Palaeogeography Palaeoclimatology Palaeoecology - PALAEOGEOGR PALAEOCLIMATOL, 1995
The Qaidam Basin, underlain by salt, is the largest (120,000 km2) on the Qinghai-Tibet Plateau, w... more The Qaidam Basin, underlain by salt, is the largest (120,000 km2) on the Qinghai-Tibet Plateau, western China. Numerous shallow to ephemeral saline lakes and dry saline pans are present on the Qarhan Salt Plain. Dabusun Lake, the largest (about 200 km2), contains high salinity NaMgCl brines. Whereas it precipitates halite, it is fringed by a potash salt flat.The dominant inflow to Dabusun Lake, the Golmud River, contains dilute Na+HCO−3-rich meteoric waters. Dabusun Lake brines fall on an evaporation trend given by δD(‰) = 3.3δ18O−43. Both δD and δ18O values increase with salinity which in turn varies considerably with flooding and evaporation. The isotope compositions of the fluid inclusion brines from modern halite formed along the lake's edge are intermediate to those of Dabusun Lake brines and those from the salt flat.Shallow sediments beneath Qarhan consist of interbedded salts and mud. A short core section (1.3–1.7 m depth) from the northern edge of Dabusun Lake, was f...
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Quaternary Research, 2004
Despite the hypothesized importance of the tropics in the global climate system, few tropical pal... more Despite the hypothesized importance of the tropics in the global climate system, few tropical paleoclimatic records extend to periods earlier than the last glacial maximum (LGM), about 20,000 years before present. We present a well-dated 170,000-year time series of hydrologic variation from the southern hemisphere tropics of South America that extends from modern times through most of the penultimate glacial
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Aquatic Geochemistry, 2009
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Aquatic Geochemistry, 2011
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Papers by Tim K Lowenstein