File:EGS Ballachulish Photo 12.jpg

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Summary

Stops 3-4, 1-8, 5-2, 5-4 and 5-5. Massive Crd+Kfs-bearing pelitic hornfels characteristic of Zone IVb. The photograph was taken near Stop 5-5 in Coire Giubhsachain, but is representative of Zone IVb in many parts of the aureole. Note the mesh or honeycomb texture, defined by randomly orientated, weathered-out cordierite crystals (represented by pits) within a resistant, light coloured matrix rich in K-feldspar Note also that the matrix surrounding the pits is lighter colorant and more sharply defined than the matrix in hornfelses from Zone III (compare with Photo 1)

Photo 12 From: Pattison, D.R.M. and Harte, B. The Ballachulish Igneous Complex and aureole: a field guide. Edinburgh : Edinburgh Geological Society, 2001.

Licencing

This image is Copyright Edinburgh Geological Society. The images may be reproduced free of charge for any non-commercial use in any format or medium provided they are reproduced accurately and not used in a misleading or derogatory context. Where any images on this site are being republished or copied to others, the source of the material must be identified and the copyright status acknowledged. For all other uses of the images please contact the Edinburgh Geological Society. publications@edinburghgeolsoc.org

File history

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Date/TimeThumbnailDimensionsUserComment
current23:11, 3 November 2015Thumbnail for version as of 23:11, 3 November 2015741 × 1,170 (711 KB)Scotfot (talk | contribs)Stops 3-4, 1-8, 5-2, 5-4 and 5-5. Massive Crd+Kfs-bearing pelitic hornfels characteristic of Zone IVb. The photograph was taken near Stop 5-5 in Coire Giubhsachain, but is representative of Zone IVb in many parts of the aureole. Note the mesh or honeyc...