BGS mineralogy and petrology collection record

Sample number	E30836; COLLNOJW245;
Sample Donor	Wright,J.E.
Rock name	Slate. 'Original entry: Chiastolite Slate'
Stratigraphy	Not entered
Comments	?Hornfelsed dark grey culm
Locality details	1000 yds E25 deg N from Smallbridge
50k map sheet	Exeter (325) View images in GeoScenic related to 'Exeter' View a geological map near 'Exeter'
Map reference	SS 794 889
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.