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ID number:  BIRUG 61925
Institution:  The Lapworth Museum of Geology
Named collection:  Allport Collection
Definition:  Dolerite
Object type:  Igneous
Place collected:  SCOTLAND: Strathclyde, Crawfordjohn, Craighead
Chronostratigraphy:  Tertiary
BIRUG 61925.jpg

Description:  Igneous dolerite dyke. Original catalogue states: "Augite zonal and hour glass structure, dark coloured and slightly dichroic; olivine fresh. Described by Teall p.197." (This refers to J.J.H. Teall's description in his British Petrography ,1888)

1 Related People

Allport, Samuel
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