BGS mineralogy and petrology collection record

Sample number	E15806; COLLNOSEH461;
Sample Donor	Hollingworth,S.E.
Rock name	Trachytic-Rock. 'Original entry: Keratophyre'
Stratigraphy	Not entered
Comments	Minor intrusion. Fine grained portion of dyke
Locality details	1270 yds W 9 deg N of Spot Level 1124 OD. Berrier School
50k map sheet	Cockermouth (23) View images in GeoScenic related to 'Cockermouth' View the geology near 'Cockermouth'
Map reference	NY 384 301
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.