protoginen.

Brit.

/ˈprəʊtə(ʊ)dʒiːn/,

/ˈprəʊtə(ʊ)dʒɪn/, U.S.

/ˈproʊdəˌdʒin/,

/ˈproʊdədʒ(ə)n/

Origin: A borrowing from French. Etymon: French protogine.

Etymology: < French protogine (Jurine 1806, in Jrnl. des mines 19 372), irregularly < proto- proto- comb. form + ancient Greek γίγνεσθαι (also γίνεσθαι ) to be born or produced (see genesis n.), intended to express ‘first-produced’, the rock being assumed to be the most ancient of all.

Geology.

A variety of granite occurring in the Alps, containing chlorite and often having a foliated structure resembling that of gneiss, which was formerly thought to be part of the original crust of the earth.

ΘΚΠ

the world > the earth > structure of the earth > constituent materials > rock > igneous rock > [noun] > plutonic rocks > granite > varieties of

moorstone1461

silver stone1758

granitell1794

granitoid1794

rapakivi1794

ophthalmite1811

protogine1823

pegmatite1824

potash-granite1845

beresite1849

granitite1875

greisen1878

trowlesworthite1884

microgranite1888

charnockite1893

alaskite1900

Dartmoor granite1904

plagiogranite1959

1823 J. Franklin Jrnl. Polar Sea 517 The protogine..forms the lower..part of the portage.

1857 C. Lyell Let. 16 Aug. in Life, Lett. & Jrnls. (1881) II. xxx. 250 The Protogine blocks of Mont Blanc.

1879 F. Rutley Study of Rocks xii. 212 Protogine is a gneiss in which, in addition to the ordinary constituents of granite, a greenish, pearly, or silvery, talcose mineral is present.

1922 Jrnl. Ecol. 10 243 These waters come from hard igneous rocks, e.g. microgranulite and protogine.

1988 Geografiska Annaler A. 70 142/1 The N–S running protogine zone of lake Vättern.

This entry has been updated (OED Third Edition, September 2007; most recently modified version published online March 2022).

单词	protogine
释义	protoginen. Brit. /ˈprəʊtə(ʊ)dʒiːn/, /ˈprəʊtə(ʊ)dʒɪn/, U.S. /ˈproʊdəˌdʒin/, /ˈproʊdədʒ(ə)n/ Origin: A borrowing from French. Etymon: French protogine. Etymology: < French protogine (Jurine 1806, in Jrnl. des mines 19 372), irregularly < proto- proto- comb. form + ancient Greek γίγνεσθαι (also γίνεσθαι ) to be born or produced (see genesis n.), intended to express ‘first-produced’, the rock being assumed to be the most ancient of all. Geology. A variety of granite occurring in the Alps, containing chlorite and often having a foliated structure resembling that of gneiss, which was formerly thought to be part of the original crust of the earth. ΘΚΠ the world > the earth > structure of the earth > constituent materials > rock > igneous rock > [noun] > plutonic rocks > granite > varieties of moorstone1461 silver stone1758 granitell1794 granitoid1794 rapakivi1794 ophthalmite1811 protogine1823 pegmatite1824 potash-granite1845 beresite1849 granitite1875 greisen1878 trowlesworthite1884 microgranite1888 charnockite1893 alaskite1900 Dartmoor granite1904 plagiogranite1959 1823 J. Franklin Jrnl. Polar Sea 517 The protogine..forms the lower..part of the portage. 1857 C. Lyell Let. 16 Aug. in Life, Lett. & Jrnls. (1881) II. xxx. 250 The Protogine blocks of Mont Blanc. 1879 F. Rutley Study of Rocks xii. 212 Protogine is a gneiss in which, in addition to the ordinary constituents of granite, a greenish, pearly, or silvery, talcose mineral is present. 1922 Jrnl. Ecol. 10 243 These waters come from hard igneous rocks, e.g. microgranulite and protogine. 1988 Geografiska Annaler A. 70 142/1 The N–S running protogine zone of lake Vättern. This entry has been updated (OED Third Edition, September 2007; most recently modified version published online March 2022). < n.1823
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