BGS mineralogy and petrology collection record

Sample number	MR25509
Sample Donor	Macdonald,H.A.H.
Rock name	'Original entry: Limestone'
Stratigraphy	Upper Cretaceous. Upper Cretaceous. Lower Chalk
Comments	Grey chalk. NGR as in register.
Locality details	Pitstone quarry (N. face) 130 yds SW of St.Mary's Church, Pitstone
50k map sheet	Aylesbury (238) View images in GeoScenic related to 'Aylesbury' View a geological map near 'Aylesbury'
Map reference	SP 936 146
Year collected	1961
Bore name	Not applicable
Confidentiality	No restrictions