BGS mineralogy and petrology collection record

Sample number	E30899; COLLNOKC866;
Sample Donor	Chaperlin,K.
Rock name	'Original entry: Microgranite'
Stratigraphy	Not entered
Comments	Riebeckite Microgranite
Locality details	Old Qry. 200 yds 70 deg from Tan y Craig. 1030 yds NW of Myntho School
50k map sheet	Pwllheli (134) View images in GeoScenic related to 'Pwllheli' View the geology near 'Pwllheli'
Map reference	SH 297 318
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.