Abstract
THE active Geological Survey of Great Britain has issued its “Summary of Progress for 1907” (1908, price is.), which is no mere departmental report, since it contains a number of original memoirs. One of these is by Dr. Flett, on the rocks styled mugearites, which may be described as dolerites rich in oligoclase and olivine, but poor in augite. These have now been found among the Carboniferous lavas of East Lothian and Midlothian, where they closely resemble Mr. Marker's original Cainozoic types from Skye. Two other memoirs deal usefully with new sections along English railways. Perhaps the most interesting feature of the general descriptions of the year's work is the insight given (p. 66, &c.) into the progress of the survey of Mull, from which much that is new may be expected.
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C., G. Some Recent Publications of Geological Surveys . Nature 79, 170–172 (1908). https://doi.org/10.1038/079170a0
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DOI: https://doi.org/10.1038/079170a0