epidositen.

/ɛˈpɪdəsʌɪt/

Etymology: < German epidosit (L. Pilla 1845, in Neues Jahrb. f. Min., Geognosie, Geol. 64), altered form of epidote n.: compare Greek ἐπίδοσις a free or additional giving, and see -ite suffix¹.

Geology.

A rock composed chiefly of granular or fibrous epidote with some quartz.

ΚΠ

1863 Rep. Progress Geol. Surv. Canada xvii. 497 In many parts occur buds which are entirely made up of quartz and epidote... This rock..is the epidosite of some lithologists.

1866 P. H. Lawrence tr. B. von Cotta Rocks Classified 355 Epidosite, or pistacite rock.—Epidote usually combined with some quartz.

1868 J. D. Dana Syst. Mineral. (ed. 5) 284 [Epidote] sometimes forms with quartz an epidote rock, called epidosyte.

1880 J. D. Dana Man. Geol. (ed. 3) 75 Epidosyte.—Pale green to pistachio-green. Consists of epidote mixed with quartz.

1893 A. Geikie Text-bk. Geol. (ed. 3) II. vii. 183 Epidote-Rocks.—Epidosite (Pistacite-rock)—an aggregate of bright green epidote with some quartz, occurs with chlorite-schist (Canada), with granite and serpentine (Elba), and with syenite.

1937 A. Johannsen Descr. Petrogr. Igneous Rocks III. 211 With sufficient iron, the final product of alteration may be a mixture of epidote and quartz, producing the rock called epidosite, which has been described..as derived from various rocks—augiteporphyries, diabases, åkerites, etc.

This entry has not yet been fully updated (first published 1933; most recently modified version published online March 2022).

单词	epidosite
释义	epidositen. /ɛˈpɪdəsʌɪt/ Etymology: < German epidosit (L. Pilla 1845, in Neues Jahrb. f. Min., Geognosie, Geol. 64), altered form of epidote n.: compare Greek ἐπίδοσις a free or additional giving, and see -ite suffix¹. Geology. A rock composed chiefly of granular or fibrous epidote with some quartz. ΚΠ 1863 Rep. Progress Geol. Surv. Canada xvii. 497 In many parts occur buds which are entirely made up of quartz and epidote... This rock..is the epidosite of some lithologists. 1866 P. H. Lawrence tr. B. von Cotta Rocks Classified 355 Epidosite, or pistacite rock.—Epidote usually combined with some quartz. 1868 J. D. Dana Syst. Mineral. (ed. 5) 284 [Epidote] sometimes forms with quartz an epidote rock, called epidosyte. 1880 J. D. Dana Man. Geol. (ed. 3) 75 Epidosyte.—Pale green to pistachio-green. Consists of epidote mixed with quartz. 1893 A. Geikie Text-bk. Geol. (ed. 3) II. vii. 183 Epidote-Rocks.—Epidosite (Pistacite-rock)—an aggregate of bright green epidote with some quartz, occurs with chlorite-schist (Canada), with granite and serpentine (Elba), and with syenite. 1937 A. Johannsen Descr. Petrogr. Igneous Rocks III. 211 With sufficient iron, the final product of alteration may be a mixture of epidote and quartz, producing the rock called epidosite, which has been described..as derived from various rocks—augiteporphyries, diabases, åkerites, etc. This entry has not yet been fully updated (first published 1933; most recently modified version published online March 2022). < n.1863
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