BGS mineralogy and petrology collection record

Sample number E18903; E18903/A; COLLNOKD120; NEGM2295;
Sample Donor Dunham,K.C.
Rock name 'Original entry: Limestone Replaced By Ankerite And Siderite'
Stratigraphy Not entered
Comments see N.P.O. MEMO. VOL 1 P 100 ANKERITE ROCK, ALTERED GT. LIMESTONE FROM FLATS
Locality details DUMP FROM COMPANY'S LEVEL,MIDDLEHOPE MINES, 1 1/4ML N. OF WESTGATE IN WEARDALE
50k map sheet Alston (25)

View images in GeoScenic related to 'Alston'

View the geology near 'Alston'

Map reference NY 905 401
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


E18903

Cross Polarized, E18903

Plane Polarized, E18903

Plane Polarized, E18903


E18903/A

Cross Polarized, E18903/A

Plane Polarized, E18903/A

Plane Polarized, E18903/A