micrograniten.

Brit.

/ˈmʌɪkrə(ʊ)ɡranᵻt/, U.S.

/ˈmaɪkroʊˌɡrænət/

Origin: Formed within English, by compounding; modelled on a German lexical item. Etymons: micro- comb. form, granite n.

Etymology: < micro- comb. form + granite n., after German Mikrogranit (H. Rosenbusch Mikroskopische Phisiographie der Mineralien u. Gesteine (1877) II. 87). Compare slightly earlier microgranitic adj.

Geology.

Granite, or a granite, that has a very fine (microgranitic) texture.

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

1888 J. J. H. Teall Brit. Petrogr. 307 The former he [sc. Rosenbusch] proposed to call micro-granites.

1903 A. Geikie Text-bk. Geol. (ed. 4) I. ii. ii. vii. 208 Granite-porphyry (Micro-granite), a fine-grained granitoid rock.

1940 F. F. Grout Kemp's Handbk. Rocks (ed. 6) iii. 52 The grain sizes are such as characterize microgranite.

1976 D. E. B. Bates & J. F. Kirkaldy Field Geol. iii. 50/2 The distinctive microgranite of Ailsa Craig..is easily recognized.

1990 C. Pellant Rocks, Minerals & Fossils 17/1 Granophyre is a rock from the margins of large intrusions and hypabyssal bodies; it is closely allied to porphyritic microgranites.

This entry has been updated (OED Third Edition, December 2001; most recently modified version published online March 2022).

单词	microgranite
释义	micrograniten. Brit. /ˈmʌɪkrə(ʊ)ɡranᵻt/, U.S. /ˈmaɪkroʊˌɡrænət/ Origin: Formed within English, by compounding; modelled on a German lexical item. Etymons: micro- comb. form, granite n. Etymology: < micro- comb. form + granite n., after German Mikrogranit (H. Rosenbusch Mikroskopische Phisiographie der Mineralien u. Gesteine (1877) II. 87). Compare slightly earlier microgranitic adj. Geology. Granite, or a granite, that has a very fine (microgranitic) texture. 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 1888 J. J. H. Teall Brit. Petrogr. 307 The former he [sc. Rosenbusch] proposed to call micro-granites. 1903 A. Geikie Text-bk. Geol. (ed. 4) I. ii. ii. vii. 208 Granite-porphyry (Micro-granite), a fine-grained granitoid rock. 1940 F. F. Grout Kemp's Handbk. Rocks (ed. 6) iii. 52 The grain sizes are such as characterize microgranite. 1976 D. E. B. Bates & J. F. Kirkaldy Field Geol. iii. 50/2 The distinctive microgranite of Ailsa Craig..is easily recognized. 1990 C. Pellant Rocks, Minerals & Fossils 17/1 Granophyre is a rock from the margins of large intrusions and hypabyssal bodies; it is closely allied to porphyritic microgranites. This entry has been updated (OED Third Edition, December 2001; most recently modified version published online March 2022). < n.1888
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