Geological Magazine: Volume 6 -

I.—The Natural History of Igneous Rocks. By Alfred Harker M.A., F.R.S., 8vo; pp. xvi, 384, with 112 diagrams and 2 plates. Methuen & Co., London. Price 12s. 6d. net.
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01 May 2009, pp. 420-423
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I.—The Geological Society of Glasgow and its Jubilee - History of the Geological Society of Glasgow, 1858–1908, with Biographical Notices of Prominent Members. Edited by Peter Macnair F.R.S.E., F.G.S., and Frederick Mort M.A., F.G.S., etc. 8vo; pp. vi, 303, with 24 portraits and 2 other illustrations. Glasgow: published by the Society, 207, Bath Street, 1908. Price 6s.
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01 May 2009, pp. 223-226
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III.—International Geological Congress: Eleventh Session, to be held in Stockholm, 1910.
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01 May 2009, pp. 281-282
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The Geological Survey - I.—Summary of Progress of the Geological Survey of Great Britain and the Museum of Practical Geology for 1908. pp. iv, 98, with 3 text-illustrations. London: printed for H. M. Stationary Office, 1909, Price 1s.
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01 May 2009, pp. 373-375
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Notices of Memoirs
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01 May 2009, pp. 171-174
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II.—Palæozoic Strata of Charkow, Russia - Das Palaeozoicum im Isjumer Kreise des Governements Charkow. [The Palæozoic Strata of the Isjumer District in the Province of Charkow, Russia.] By N. Yakowlew. Mém. du com. géolog., St. Pétersbourg, 1908 (pp. 1–29).
I. T.
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01 May 2009, p. 78
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Notices of Memoirs
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01 May 2009, pp. 125-127
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IX.—Sedgwick Museum Notes. On the Age of the Creechbarrow Limestone
Henry Keeping
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01 May 2009, pp. 555-557
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On the north side of the outcrop of the Chalk in the Isle o Purbeck, there is an outlier of Tertiary beds the exact age of which has given rise to some discussion. There must be some reason for the form of Creechbarrow Hill, and the outline suggests that it is due to some hard bed near the top, which we find on close examination to be a tough limestone, a considerable portion of which is hard and porcellaneous. The upper beds of this conical hill, which rises to a height of 637 feet above sea-level, are cut off from the adjoining masses, and therefore no continuous section can be traced to the well-known formations on the south or on the north. The section is further complicated by the occurrence of faults on both the north and south sides. We have, therefore, only the lithological character and fossil contents to depend upon for the correlation of the beds occurring in this outlier.

III.—Triassic Ichthyosauria, with special reference to the American Forms. By John C. Merriam. Mem. Univ. California, 1908, vol. i No. 1. pp. 196, with 18 plates and 154 text-figures.
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01 May 2009, pp. 36-37
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The Old and New Theories of Igneous Rocks
A. R. Hunt
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01 May 2009, pp. 479-480
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I.—The Geology of the Goldfields of British Guiana. By J. B. Harrison M.A., C.M.G., Published by the direction of the Governor of British Guiana. London: Dulau & Co., 1908.
J. S. F.
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01 May 2009, pp. 174-176
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X.—Optical Peculiarities in Phlogopite
T. Crook
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01 May 2009, pp. 512-513
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It frequently happens that micas exhibit small basal cleavage rifts of roughly circular shape, and these may be so numerous as to render opaque or feebly translucent a plate which would be otherwise quite transparent. The so-called silver-amber mica of the mica trade, a variety of phlogopite which is highly prized for its low conductivity, apparently owes its silvery sheen to the presence of these cleavage rifts, which overlap each other to a considerable extent, and reflect the light copiously. The presence of these basal cleavage rifts in silvery phlogopite is rendered quite obvious when a plate is examined under the microscope in ordinary light, by the interference rings seen round the borders of the rifts. Such a plate of silvery phlogopite exhibits a peculiar phenomenon in consequence of the presence of these rifts.

III.—Geology of Egypt. In an essay on “The South-western Desert of Egypt”, published in the Cairo Scientific Journal (vol. ii, 08 and 09, 1908)
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01 May 2009, p. 79
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Notices of Memoirs
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01 May 2009, pp. 557-559
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I.—Records of the Geological Survey of India: General Report for 1907. By SirT. H. Holland K.C.I.E., D.Sc., F.R.S., Director.
W. H. H.
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01 May 2009, pp. 127-131
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II.—Stratigraphie des Kohlenkalks in der Umgebung von Krakau. [The Stratigraphy of the Carboniferous Limestone in the Neighbourhood of Cracow.] By J. Jarosz. Extr. du Bull. de l'Académie des Sciences de Cracovie (pp. 689–706), Avril, 1909, Cracovie.
I. T.
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01 May 2009, p. 375
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II.—Geological Survey Memoirs - 1. The Geology of the Small Isles of Inverness-shire. By Alfred Harker F.R.S., with contributions by G. Barrow F.G.S., pp. ix, 210, with 10 plates and 50 text-illustrations. Price 4s. 6d. Hand-coloured geological map, Sheet 60 (Scotland); price 10s. 3d. - 2. The Geology of the Country North and East of Harrogate. Second edition. By C. Fox-Strangways F.G.S., pp. v, 100, with 8 plates and 6 text-illustrations. Price 2s. 6d. Hand-coloured geological map, Sheet 62 (old series 93 N.W.), England; price 8s. 3d.
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01 May 2009, pp. 423-424
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Archæan or Lower Palæozoic Rocks in the Malay Peninsula
J. B. Scrivenor
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01 May 2009, pp. 330-332
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Reports and Proceedings
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01 May 2009, pp. 282-286
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II.—Gold: its geological occurrence and geographical distribution. By J. Malcolm Maclaren D.Sc., F.G.S., F.R.G.S., M.I.M.M., late Mining Specialist, Government of India, formerly Assistant Government Geologist, Queensland, etc. pp. xxiii + 687, with one coloured plate and 278 illustrations. London: The Mining Journal, 1908. Price 25s. net.
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01 May 2009, pp. 226-228
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Volume 6 - July 1909

Reviews

I.—The Natural History of Igneous Rocks. By Alfred Harker M.A., F.R.S., 8vo; pp. xvi, 384, with 112 diagrams and 2 plates. Methuen & Co., London. Price 12s. 6d. net.

III.—International Geological Congress: Eleventh Session, to be held in Stockholm, 1910.

The Geological Survey - I.—Summary of Progress of the Geological Survey of Great Britain and the Museum of Practical Geology for 1908. pp. iv, 98, with 3 text-illustrations. London: printed for H. M. Stationary Office, 1909, Price 1s.

Notices of Memoirs

Notices of Memoirs

Reviews

II.—Palæozoic Strata of Charkow, Russia - Das Palaeozoicum im Isjumer Kreise des Governements Charkow. [The Palæozoic Strata of the Isjumer District in the Province of Charkow, Russia.] By N. Yakowlew. Mém. du com. géolog., St. Pétersbourg, 1908 (pp. 1–29).

Notices of Memoirs

Notices of Memoirs

Original Articles

IX.—Sedgwick Museum Notes. On the Age of the Creechbarrow Limestone

Reviews

III.—Triassic Ichthyosauria, with special reference to the American Forms. By John C. Merriam. Mem. Univ. California, 1908, vol. i No. 1. pp. 196, with 18 plates and 154 text-figures.

Correspondence

The Old and New Theories of Igneous Rocks

Reviews

I.—The Geology of the Goldfields of British Guiana. By J. B. Harrison M.A., C.M.G., Published by the direction of the Governor of British Guiana. London: Dulau & Co., 1908.

Original Articles

X.—Optical Peculiarities in Phlogopite

Reviews

III.—Geology of Egypt. In an essay on “The South-western Desert of Egypt”, published in the Cairo Scientific Journal (vol. ii, 08 and 09, 1908)

Notices of Memoirs

Notices of Memoirs

Reviews

I.—Records of the Geological Survey of India: General Report for 1907. By SirT. H. Holland K.C.I.E., D.Sc., F.R.S., Director.

II.—Stratigraphie des Kohlenkalks in der Umgebung von Krakau. [The Stratigraphy of the Carboniferous Limestone in the Neighbourhood of Cracow.] By J. Jarosz. Extr. du Bull. de l'Académie des Sciences de Cracovie (pp. 689–706), Avril, 1909, Cracovie.

Correspondence

Archæan or Lower Palæozoic Rocks in the Malay Peninsula

Reports and Proceedings

Reports and Proceedings

Reviews

Geological Magazine

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Volume 6 - July 1909

Reviews

Notices of Memoirs

Reviews

Notices of Memoirs

Original Articles

Reviews

Correspondence

Reviews

Original Articles

Reviews

Notices of Memoirs

Reviews

Correspondence

Reports and Proceedings

Reviews