Search Results

Sample Type is Igneous › Volcanic › Mafic Extrusive

311 records | Download
IGSN Sample Type Notes Location Number Thin Sections Storage Location
GRD001ES0 Basalt California 1 Ritter 154, 16 G
GRD001IS0 Basalt Fresh sample California 1 Ritter 154, 16 G
GRD001MS0 Basalt Plagioclase laths California 1 Ritter 154, 16 G
GRD001PS0 Basalt Thin section only. Thin section is in the Thin Section Only case in RH154. California 1 Ritter 154
GRD001RS0 Basalt California 1 Ritter 154, 16 G
GRD001WS0 Basalt Small, greenish sample. California 1 Ritter 154, 16 G
GRD0021S0 Basalt Red California 1 Ritter 154, 16 G
GRD002HS0 Basalt Puy en Velay France 0 Ritter 154, 20 E
GRD002YS0 Basalt Pisgah basalt California 0 Ritter 154, 16 G
GRD003BS0 Basalt Arizona 0 Ritter 154, 20 E
GRD003CS0 Basalt Surface flow Arizona 0 Camp Elliott
GRD003DS0 Basalt Arizona 0 Ritter 154, 20 E
GRD003FS0 Basalt Arizona 0 Ritter 154, 20 E
GRD003JS0 Basalt Arizona 0 Ritter 154, 20 E
GRD003KS0 Basalt sill 5-10 below top Arizona 0 Ritter 154, 20 E
GRD003LS0 Basalt 150-200 Arizona 0 Ritter 154, 20 E
GRD003MS0 Basalt 50 Arizona 0 Ritter 154, 20 E
GRD003NS0 Basalt 12 Arizona 0 Ritter 154, 20 E
GRD003OS0 Basalt 3 above Arizona 0 Ritter 154, 20 E
GRD003PS0 Basalt Arizona 0 Ritter 154, 20 E
GRD003SS0 Basalt Arizona 0 Ritter 154, 20 E
GRD003YS0 Basalt Tristan da Cunha: flow or large sill half way between Big Point and Rookery Point, elev 10 0 Ritter 154, 20 E
GRD003ZS0 Basalt stretched vesicles Tristan da Cunha: Halfway between Rookery and Big points 0 Ritter 154, 20 E
GRD0043S0 Basalt nice vesicles Tristan da Cunha: sealevel outcrop below the Settlement and E of Herald Pt 0 Ritter 154, 20 E
GRD0044S0 Basalt Fine-grained lava flow Tristan da Cunha: flow forming 3rd waterfall above largest waterfall, Hottentot gulch, elev 1500 0 Ritter 154, 20 E
GRD0045S0 Basalt Fine grained fissile lava flow. Thin section extremely different than hand sample (wrong number?). Tristan da Cunha: 100 yards W of Pinnacle, Hottentot gulch, 900 elev 1 Ritter 154, 20 E
GRD0046S0 Basalt Tristan da Cunha: behind huts at Landing near the waterfall, Inaccessible Island, elev 75 0 Ritter 154, 20 E
GRD0047S0 Basalt 1960 Kapcho original description. Likely referring to the 1960 Kapoho eruption on Kilauea. Hawaii 0 Ritter 154, 16 G
GRD0048S0 Basalt Great Lake Dolerite Sheet Australia 1 Ritter 154, 29 B
GRD0049S0 Basalt Great Lake Dolerite Sheet Australia 1 Ritter 154, 29 B