palaeogeothermalpaleogeothermaladj.

Brit.

/ˌpalɪə(ʊ)ˌdʒiːə(ʊ)ˈθəːml/,

/ˌpeɪlɪə(ʊ)ˌdʒiːə(ʊ)ˈθəːml/, U.S.

/ˈˌpeɪlioʊˌdʒioʊˈθərm(ə)l/

Forms: see palaeo- comb. form and geo- comb. form and thermal adj.

Origin: Formed within English, by compounding. Etymons: palaeo- comb. form, geothermal adj.

Etymology: < palaeo- comb. form + geothermal adj. Compare palaeogeotherm n.

Geology.

Designating a temperature gradient which existed in the earth's crust at some time in the past. Cf. palaeogeotherm n.

ΚΠ

1970 R. G. J. Strens in S. K. Runcorn Palaeogeophysics xl. 383 Apart from their usefulness in studying palaeogravity and palaeogeothermal gradients, such geothermometers and geobarometers would be of inestimable value to petrologists.

1993 Clays & Clay Minerals 41 155/1 Comparison of the Yucca Mountain palaeogeothermal gradients..with those typical of modern-day geothermal systems can potentially provide information on the nature of the hydrologic system existing during hydrothermal alteration.

This entry has been updated (OED Third Edition, March 2005; most recently modified version published online March 2022).

单词	palaeogeothermal
释义	palaeogeothermalpaleogeothermaladj. Brit. /ˌpalɪə(ʊ)ˌdʒiːə(ʊ)ˈθəːml/, /ˌpeɪlɪə(ʊ)ˌdʒiːə(ʊ)ˈθəːml/, U.S. /ˈˌpeɪlioʊˌdʒioʊˈθərm(ə)l/ Forms: see palaeo- comb. form and geo- comb. form and thermal adj. Origin: Formed within English, by compounding. Etymons: palaeo- comb. form, geothermal adj. Etymology: < palaeo- comb. form + geothermal adj. Compare palaeogeotherm n. Geology. Designating a temperature gradient which existed in the earth's crust at some time in the past. Cf. palaeogeotherm n. ΚΠ 1970 R. G. J. Strens in S. K. Runcorn Palaeogeophysics xl. 383 Apart from their usefulness in studying palaeogravity and palaeogeothermal gradients, such geothermometers and geobarometers would be of inestimable value to petrologists. 1993 Clays & Clay Minerals 41 155/1 Comparison of the Yucca Mountain palaeogeothermal gradients..with those typical of modern-day geothermal systems can potentially provide information on the nature of the hydrologic system existing during hydrothermal alteration. This entry has been updated (OED Third Edition, March 2005; most recently modified version published online March 2022). < adj.1970
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