geothermometry


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geothermometry

[¦jē·ō·thər′mäm·ə·trē]
(geology)
Measurement of the temperatures at which geologic processes occur or occurred. Also known as geologic thermometry.
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Assessment of Reservoir Temperatures of Thermal Springs of the Northern Areas of Pakestan by Chemical and Isotope Geothermometry, Geothermics, 31: 613-631.
1 Amphibole- plagioclase thermometry Wiborg Wiborgite 650-750 * Two-feldspar geothermometry Wiborg Wiborgite 580-650 * Two-feldspar geothermometry Salmi Wiborgite 740-780 Zircon thermometry Salmi Wiborgite 680-720 Zircon thermometry Uljalegi Amphibole, 700-840/940 * Zircon quartz crystallization phenocryst temperature modelling by Watson & Harrison (1983) Aland (A3) Monzonite 750-840 7.
Thus, apart from phenomena related to geothermometry, temperatures go from extremes of 176[degrees]F to 126[degrees]F (80[degrees]C to -88[degrees]C).
IIb trioctahedral chlorite from the Barberton greenstone belt: crystal structure and rock composition constraints with implications to geothermometry.
The geothermometric modeling was carried out with two geothermometric techniques: 1) Geothermometric simulation calculations, and 2) Classic geothermometry (chemical geothermometry).
1981, Vitrinite reflectance geothermometry and apparent heating duration in the Cerro Prieto geothermal field.
Geothermometry from geothermal fluid collected during flow tests predicts source temperatures of 380-396xF (193-202xC) in good agreement with measured temperatures.
Monazite-saturation geothermometry (Montel 1993) yields temperatures as high as 825-950[degrees]C for the MPG, similar to those of the MBG (834-950[degrees]C).
Two-feldspar geothermometry yields temperatures lower than 500[degrees]C, reflecting subsolidus recrystallisation.
Geothermometry suggests a minimum reservoir temperature of 155xC with indications up to 225xC.
Previous geothermometry work on Pumpernickel has produced reservoir temperature estimates ranging from 150 degrees C (302 degrees F) to 218 degrees C.