toscan.

/ˈtɒskə/

Forms: Also tosco, toska.

Etymology: < Spanish tosca, feminine of tosco coarse.

A soft dark-brown limestone occurring embedded and sometimes stratified in the surface formation of the Pampas. Also applied to various lavas in southern Italy and Sicily; and in Colombia, South America, to a surface rock of supposed volcanic origin ( Cent. Dict.).

ΘΚΠ

the world > the earth > structure of the earth > constituent materials > rock > sedimentary rock > [noun] > limestone > others

lias1404

stone marrow1681

stone marl1682

saint's head stone1763

Kentish rag1769

watericle1776

kankar1793

Cotham1816

mountain limestone1817

tosca1818

cornstone1819

burr1829

coral-limestone1831

scar-limestone1831

Wenlock limestone1834

bavin1839

curf1839

Solenhofen slate1841

Beer stone1871

miliolite limestone1872

Clipsham1877

reef limestone1884

Hopton wood1888

thermo-calcite1888

Kilkenny marble1930

micrite1959

1818 Amer. St. Papers, For. Relat. (1834) IV. 277 This concretion, as it projects along the water's edge of the Rio de la Plata at the city of Buenos Ayres, is called tosco, or rough earth.

1846 C. Darwin Geol. Observ. S. Amer. iv. 77 For convenience sake, I will call the marly rock by the name given to it by the inhabitants, namely, Tosca-rock.

1859 D. Page Handbk. Geol. Terms 356 Tosca-Rock, a name given by the inhabitants of Buenos-Ayres to a marly arenaceous rock found imbedded in layers and nodular masses among the argillaceous earth or mud of the Pampas.

This entry has not yet been fully updated (first published 1913; most recently modified version published online December 2020).

单词	tosca
释义	toscan. /ˈtɒskə/ Forms: Also tosco, toska. Etymology: < Spanish tosca, feminine of tosco coarse. A soft dark-brown limestone occurring embedded and sometimes stratified in the surface formation of the Pampas. Also applied to various lavas in southern Italy and Sicily; and in Colombia, South America, to a surface rock of supposed volcanic origin ( Cent. Dict.). ΘΚΠ the world > the earth > structure of the earth > constituent materials > rock > sedimentary rock > [noun] > limestone > others lias1404 stone marrow1681 stone marl1682 saint's head stone1763 Kentish rag1769 watericle1776 kankar1793 Cotham1816 mountain limestone1817 tosca1818 cornstone1819 burr1829 coral-limestone1831 scar-limestone1831 Wenlock limestone1834 bavin1839 curf1839 Solenhofen slate1841 Beer stone1871 miliolite limestone1872 Clipsham1877 reef limestone1884 Hopton wood1888 thermo-calcite1888 Kilkenny marble1930 micrite1959 1818 Amer. St. Papers, For. Relat. (1834) IV. 277 This concretion, as it projects along the water's edge of the Rio de la Plata at the city of Buenos Ayres, is called tosco, or rough earth. 1846 C. Darwin Geol. Observ. S. Amer. iv. 77 For convenience sake, I will call the marly rock by the name given to it by the inhabitants, namely, Tosca-rock. 1859 D. Page Handbk. Geol. Terms 356 Tosca-Rock, a name given by the inhabitants of Buenos-Ayres to a marly arenaceous rock found imbedded in layers and nodular masses among the argillaceous earth or mud of the Pampas. This entry has not yet been fully updated (first published 1913; most recently modified version published online December 2020). < n.1818
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