File:Guide leaflet (1901) (14762850101).jpg

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Description
English: Carlton meteorite, iron.

Identifier: scienceguide1630amer (find matches)
Title: Guide leaflet
Year: 1901 (1900s)
Authors: American Museum of Natural History
Subjects: American Museum of Natural History Natural history
Publisher: New York : The Museum
Contributing Library: American Museum of Natural History Library
Digitizing Sponsor: IMLS / LSTA / METRO

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Text Appearing Before Image:
oilite Pyrrhotite*I)aubreelite*( )ldhamite Tridymite (Ihromite Magnetite (Isbornite Lawrencite Glass Journal of Geology. Vol, IX. p, 394. 1901. •I Cohen. Meteoritenkunde I, p. 322 1894. The asterisk indicates the nrin-eralfl which are peculiar to meteoritea and are not known to occur in the cart IT- crust 14 AMERICAN MUSEUM GUIDE LEAFLETS Essential Constituents. The iron of meteorites is always alloyed with from 6 to 20 per cent ofnickel. This nickel-iron, as it is commonly called, is usually crystal-line in texture, and when it is cut, polished and etched a beautifulnetwork of lines is brought out, indicating plates which lie in positionsdetermined by the crystalline character of the mass. This network oflines constitutes what are called the Widmanstatten figures, from thename of their discoverer. When these figures are strongly developed,the meteoritic origin of the iron cannot be questioned, but their absencedoes not necessarily disprove such an origin. Native iron of terrestrial
Text Appearing After Image:
WIDMANSTATTEN LINES, OR FIGURES. Carleton Iron Meteorite. Natural size. In this iron the plates are very thin. origin is extremely rare and has been found almost exclusively at DiscoIsland and immediate vicinity on the west coast of Greenland. TheDisco, or Ovifak, iron contains less nickel than meteoritic iron, whileother terrestrial nickel-irons (i. e. awaruite and josephinite) containmuch more. Small quantities of metallic cobalt are also alloyed withthe nickel and a little copper is sometimes found in the same association.Next to nickel-iron the mineral olivine, or chrysolite, is the mostimportant constituent. This is a silicate of magnesium, always con-

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https://www.flickr.com/photos/internetarchivebookimages/14762850101/

Author Internet Archive Book Images
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(Reusing this file)		 At the time of upload, the image license was automatically confirmed using the Flickr API. For more information see Flickr API detail.
Volume
InfoField
no.16-30
Flickr tags
InfoField
  • bookid:scienceguide1630amer
  • bookyear:1901
  • bookdecade:1900
  • bookcentury:1900
  • bookauthor:American_Museum_of_Natural_History
  • booksubject:American_Museum_of_Natural_History
  • booksubject:Natural_history
  • bookpublisher:New_York___The_Museum
  • bookcontributor:American_Museum_of_Natural_History_Library
  • booksponsor:IMLS___LSTA___METRO
  • bookleafnumber:528
  • bookcollection:americanmuseumnaturalhistory
  • bookcollection:biodiversity
  • bookcollection:americana
  • BHL Collection
  • BHL Consortium
Flickr posted date
InfoField
28 July 2014

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