BGS mineralogy and petrology collection record

Sample number MR10062; F3558;
Sample Donor Not entered
Rock name Granite, Porphyritic. 'Original entry: Granite Porphyry'
Stratigraphy Not entered
Comments granite porphyry, ,Collected by P Niggli; Purchase from Schwalm, B�tzingen (Baden):S3
Locality details Tetzeln, Oberlauchringen,surface exposure,Schwartzwald Massif,Germany
50k map sheet Not entered
Map reference Not entered
Year collected 1933 
Bore name Not applicable
Confidentiality No restrictions