BGS mineralogy and petrology collection record

Sample number	MR10129; F3631;
Sample Donor	Not entered
Rock name	Mylonite. 'Original entry: Mylonite'
Stratigraphy	Not entered
Comments	mylonite, ,Collected by P Niggli; Purchase from Schwalm, B�tzingen (Baden):E11
Locality details	Pontresina,surface exposure,Bernina Nappe; also section F3632,Switzerland
50k map sheet	Not entered
Map reference	Not entered
Year collected	1933
Bore name	Not applicable
Confidentiality	No restrictions