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The Meteorites of Uwet, Kota Kota, and Angela : re-determinations of nickel and iron in the Baroti and Wittekrantz meteoric stones1

Published online by Cambridge University Press:  14 March 2018

G. T. Prior
G. T. Prior*
Affiliation:
Mineral Department of the British Museum
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Extract

Early in 1905 a small fragment of a meteoric iron from Uwet in Southern Nigeria was received at the Imperial Institute from Mr. John Parldnson, the Principal of the Mineral Survey then proceeding in Southern Nigeria. The fragment was part of a large mass which was held in great veneration by the natives of Uwet (lat. 5° 17' p N., long. 8° 15' p E.), a town on the Calabar river, about 23 miles north by west of Calabar. Later, further particulars of the meteorite were communicated to the Imperial Institute by Mr. E. D. Simpson.

Type
Research Article
Information
Mineralogical magazine and journal of the Mineralogical Society , Volume 17 , Issue 80 , December 1914 , pp. 127 - 134
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1914

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Footnotes

1

Communicated by permission of the Trustees of the British Museum.

References

page 130 note 1 Bowman, H. L., Mineralogical Magazine, 1910, vol. xv, p. 355 Google Scholar.

page 131 note 1 In the British Museum 'Introduction to the study of Meteorites,' 10th edition, 1908, this iron is referred to as 'Angelus (Ofieina), Chili.'

page 131 note 2 Cohen, E., 'Meteoreisen-Studien VI.' Ann. Naturhist. Hofmus. Wien, 1897, vol. xii, pp. 122–123 Google Scholar.

page 132 note 1 E. Cohen, loc. cit.

page 132 note 2 C. Friedheim (Sitz-Ber. Akad. Berlin, 1888, p. 345) has stated that six or seven precipitations are necessary for absolutely complete separation; L. H. Borgström that three or four may suffice if the solution after the addition of ammonia be kept for one t0 two hours on the water-bath. My experience suggests that by ammonia a really complete separation is scarcely possible.

page 133 note 1 Fletcher, L., Mineralogical Magazine, 1901, vol. xiii, p. 11 Google Scholar.

page 133 note 2 As advocated by Borgström, L. H., Bull. Comm. Géol. Finlande, 1903, vol. iii, p. 78 Google Scholar.

page 133 note 3 Zeits. Anal. Chemie, 1908, vol. xlvii, p. 162 Google Scholar.