单词 | highgate |
释义 | Highgaten.2 Now chiefly historical. Designating a type of fossilized resin found in London Clay strata. Cf. copalite n.The resin was originally found in 1811–12 during excavations for a tunnel at Highgate Hill in Middlesex (now in north London). ΘΚΠ the world > the earth > minerals > types of mineral > hydrocarbon minerals > [noun] > resins > others Highgate1813 lucullite1819 guayaquillite1838 fichtelite1844 ixolite1846 branchite1851 xyloretin1852 retinite1853 anthracoxene1858 kauri resin1858 tasmanite1864 kauri gum1867 xyloretinite1868 wheelerite1874 ionite1877 muckite1879 1813 T. Thomson in Ann. Philos. 2 9 The colour of Highgate resin is of a dirty yellowish light brown. 1839 London & Edinb. Philos. Mag. 14 91 The Highgate resin has much resemblance to copal. 1898 E. S. Dana Text-bk. Mineral. (new ed.) iv. 543 Copalite, or Highgate resin, is from the London blue clay. 1924 Museums Jrnl. 23 262 May I ask the courtesy of your aid that I may inquire whether anyone can help me to obtain a specimen of Copaline, or Highgate Resin, or Highgate Amber? 1969 Science 14 Mar. 1163/3 X-ray diffraction analyses..have indicated an angiospermous origin for Tertiary amber from three localities, that is, Highgate copalite from the London Clay Flora, glessite from the Baltic Coast, and guayaquillite from Ecuador. 1995 J. H. Langenheim in K. Anderson & J. C. Crelling Amber, Resinite, & Fossil Resins 9 The presence of this alcohol [sc. α-amyrin] in some specimens of ‘Highgate Copalite’ from the London Clay Flora along the southeast coast of England, with its associated burseraceous seeds, has suggested either Protium or Canarium as its source. This entry has been updated (OED Third Edition, September 2014; most recently modified version published online March 2022). < n.21813 |
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