BGS mineralogy and petrology collection record

Sample number	E12701; COLLNOMI1354; NEG1384-5;
Sample Donor	Hallimond,Doctor
Rock name	'Original entry: Siderite Rock [Coal Brais]'
Stratigraphy	Not entered
Comments	Spherulitic Siderite & Coal min. res. Xxx 1925 pl iv Fig 16
Locality details	Maundy Pit, Ystrad, Pontypridd
50k map sheet	Pontypridd (248) View images in GeoScenic related to 'Pontypridd' View the geology near 'Pontypridd'
Map reference	SS 97 95
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.