BGS mineralogy and petrology collection record

Sample number E8692
Sample Donor Calloway, G.A.
Rock name Diorite.
Stratigraphy Not entered
Comments QJGS Vol36 pp536-538, Vol 43 pp 525-536, Vol45 pp475-501, Vol49 pp398-423
Locality details Swinyard Qry. S End of Swinyard Hill
50k map sheet Tewkesbury (216)

View images in GeoScenic related to 'Tewkesbury'

View the geology near 'Tewkesbury'

Map reference SO 7618 3681
Year collected
Bore name Not applicable
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


E8692

Cross Polarized, E8692

Plane Polarized, E8692

Plane Polarized, E8692