SHCMS:G.20520.001

Dolerite

Piece of course-grained intrusive Dolerite from a Tertiary age dyke structure at Grinshill quarry in Shropshire. This specimen has been cut and sectioned to produce microscope thin sections.

Age: approx 52 million years.

Length 7.8cm Width 6.8cm Depth 3.9cm.

Imaged using a canon 5DS R and Stackshot 3x with turntable to provide 70 images which were then processed using agisoft photoscan at high levels.

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