hornfelsn.

/ˈhɔːnfɛls/

Etymology: < German hornfels, < horn horn + fels rock.

Geology.

A fine-grained, non-schistose rock composed mainly of quartz, micas, and feldspars and formed by the contact metamorphism of an argillaceous rock.

ΘΚΠ

the world > the earth > structure of the earth > constituent materials > rock > metamorphic rock > [noun] > other metamorphics

quartzite1823

mica-schist1826

amphibolite1833

hornfels1854

phthanite1854

hornblendite1874

psammite1882

tourmaline-rock1882

tourmaline-schist1882

jasperoid1898

skarn1901

metagabbro1904

metabasite1907

verdite1908

rodingite1911

siallite1933

tonstein1961

greenlandite1981

1854 J. D. Dana Syst. Mineral. (ed. 4) II. 246 The Hornfels of the Germans is a massive compound of quartz and feldspar breaking with a smooth flinty fracture.

1888 J. J. H. Teall Brit. Petrogr. xii. 374 We use the term hornfels instead of its etymological equivalent, hornstone, because in many cases the rocks termed hornfels are distinctly crystalline and not at all like what is commonly termed hornstone in this country.

1899 Jrnl. Chem. Soc. 76 ii. 565 Anal. II is of an adinole or hornfels in contact with the granite.

Derivatives

ˈhornfels v. transitive to metamorphose (a rock) to hornfels.

ΘΚΠ

the world > the earth > structure of the earth > formation of features > metamorphism > [verb (transitive)] > others

hornfels1901

1901 Rep. Brit. Assoc. 634 The Old Red Sandstone is indurated and often hornfelsed to a varying distance from the margin.

ˈhornfelsed adj.

/ˈhɔːnfɛlst/

/ˈhɔːnfɛlzd/

ΘΚΠ

the world > the earth > structure of the earth > formation of features > metamorphism > [adjective] > others

flintifying1799

flintified1880

hornfelsed1922

rodingitized1971

1922 Nature 12 Jan. 62/1 Hornfelsed green rocks.

1947 Q. Jrnl. Geol. Soc. 102 395 The hornfelsed graywacke is slightly silicated.

1970 G. Newall et al. Mechanism of Igneous Intrusion iv. 49 The granite is in contact with hornfelsed pillow lavas.

hornˈfelsic adj. composed of, or having the character of, hornfels.

ΘΚΠ

the world > the earth > structure of the earth > constituent materials > rock > metamorphic rock > [adjective] > other metamorphics

quartzitic1849

psammitic1882

phyllitic1888

siallitic1933

hornfelsic1951

rodingitic1953

1951 F. J. Turner & J. Verhoogen Igneous & Metamorphic Petrol. xv. 373 Structure is typically granoblastic (hornfelsic) or maculose.

1965 G. J. Williams Econ. Geol. N.Z. vii. 73/2 The conglomerates are quartzose in some places, and elsewhere contain granite, greywacke and hornfelsic components.

ˈhornfelsing n.

ΘΚΠ

the world > the earth > structure of the earth > formation of features > metamorphism > [noun] > others

flintifying1799

anthracitization1875

marmarosis1882

granitization1893

marmorosis1909

amphibolitization1918

hybridization1926

hornfelsing1930

amphibolization1932

diaphthoresis1932

metagenetic1963

rodingitization1971

1930 B. N. Peach & J. Horne Chapters Geol. Scotl. ii. 70 The hornfelsing of the orthogneisses.

This entry has not yet been fully updated (first published 1933; most recently modified version published online September 2018).

单词	hornfels
释义	hornfelsn. /ˈhɔːnfɛls/ Etymology: < German hornfels, < horn horn + fels rock. Geology. A fine-grained, non-schistose rock composed mainly of quartz, micas, and feldspars and formed by the contact metamorphism of an argillaceous rock. ΘΚΠ the world > the earth > structure of the earth > constituent materials > rock > metamorphic rock > [noun] > other metamorphics quartzite1823 mica-schist1826 amphibolite1833 hornfels1854 phthanite1854 hornblendite1874 psammite1882 tourmaline-rock1882 tourmaline-schist1882 jasperoid1898 skarn1901 metagabbro1904 metabasite1907 verdite1908 rodingite1911 siallite1933 tonstein1961 greenlandite1981 1854 J. D. Dana Syst. Mineral. (ed. 4) II. 246 The Hornfels of the Germans is a massive compound of quartz and feldspar breaking with a smooth flinty fracture. 1888 J. J. H. Teall Brit. Petrogr. xii. 374 We use the term hornfels instead of its etymological equivalent, hornstone, because in many cases the rocks termed hornfels are distinctly crystalline and not at all like what is commonly termed hornstone in this country. 1899 Jrnl. Chem. Soc. 76 ii. 565 Anal. II is of an adinole or hornfels in contact with the granite. Derivatives ˈhornfels v. transitive to metamorphose (a rock) to hornfels. ΘΚΠ the world > the earth > structure of the earth > formation of features > metamorphism > [verb (transitive)] > others hornfels1901 1901 Rep. Brit. Assoc. 634 The Old Red Sandstone is indurated and often hornfelsed to a varying distance from the margin. ˈhornfelsed adj. /ˈhɔːnfɛlst//ˈhɔːnfɛlzd/ ΘΚΠ the world > the earth > structure of the earth > formation of features > metamorphism > [adjective] > others flintifying1799 flintified1880 hornfelsed1922 rodingitized1971 1922 Nature 12 Jan. 62/1 Hornfelsed green rocks. 1947 Q. Jrnl. Geol. Soc. 102 395 The hornfelsed graywacke is slightly silicated. 1970 G. Newall et al. Mechanism of Igneous Intrusion iv. 49 The granite is in contact with hornfelsed pillow lavas. hornˈfelsic adj. composed of, or having the character of, hornfels. ΘΚΠ the world > the earth > structure of the earth > constituent materials > rock > metamorphic rock > [adjective] > other metamorphics quartzitic1849 psammitic1882 phyllitic1888 siallitic1933 hornfelsic1951 rodingitic1953 1951 F. J. Turner & J. Verhoogen Igneous & Metamorphic Petrol. xv. 373 Structure is typically granoblastic (hornfelsic) or maculose. 1965 G. J. Williams Econ. Geol. N.Z. vii. 73/2 The conglomerates are quartzose in some places, and elsewhere contain granite, greywacke and hornfelsic components. ˈhornfelsing n. ΘΚΠ the world > the earth > structure of the earth > formation of features > metamorphism > [noun] > others flintifying1799 anthracitization1875 marmarosis1882 granitization1893 marmorosis1909 amphibolitization1918 hybridization1926 hornfelsing1930 amphibolization1932 diaphthoresis1932 metagenetic1963 rodingitization1971 1930 B. N. Peach & J. Horne Chapters Geol. Scotl. ii. 70 The hornfelsing of the orthogneisses. This entry has not yet been fully updated (first published 1933; most recently modified version published online September 2018). < n.1854
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