BGS mineralogy and petrology collection record

Sample number MR22701
Sample Donor Not entered
Rock name Porphyry. 'Original entry: Porphyry'
Stratigraphy Not entered
Comments porphyry, ,Collected by Prof D A Brown:5
Locality details Stn 152/65-80E, Port Cygnet Complex, Tasmania,surface exposure,From portion of dyke about 2ft wide intruded into Woodbridge Sediments. See Edwards AB, 1947.Proc. Roy. Soc Vic 58:81-115,Australia
50k map sheet Not entered
Map reference 43:9,147:4
Year collected 1960 
Bore name Not applicable
Confidentiality No restrictions