BGS mineralogy and petrology collection record

Sample number E52741
Sample Donor Worsam,B.C.
Rock name Dolerite (Synonymous With Microgabbro); Metadiorite;. 'Original entry: Microdiorite.'
Stratigraphy Not entered
Comments Carbonated, chloritised, hematised, micro-diorite. ?Dolerite, ?sill (film of ?cambrian mudstone at base of core).
Locality details Twycross BH, depth 504.15m
50k map sheet Coalville (155)

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Map reference SK 3387 0564
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


E52741

Cross Polarized, E52741

Plane Polarized, E52741

Plane Polarized, E52741