BGS mineralogy and petrology collection record

Sample number	E67522; COLLNOJNC494;
Sample Donor	Carney, J.N.
Rock name	'Original entry: Porphyritic Volcanic Rock'
Stratigraphy	Not entered
Comments	Dyke ?, in massive Quartz feldspar porphyry
Locality details	Ratchet Hill, 210 m SSE of St. Catherine Villa
50k map sheet	Loughborough (141) View images in GeoScenic related to 'Loughborough' View the geology near 'Loughborough'
Map reference	SK 4486 1640
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.