Proterozoic dikes intruding Archean gneiss, Greenland
basaltic igneous intrusion
Proterozoic dikes intruding Archean gneiss, Greenland
basaltic igneous intrusion
Crater Lake caldera, Oregon
Cascades
Mount St. Helens, Washington
Cascade Range stratovolcanoes
Feeder dike intruding tephra, Iceland
intrusive igneous
Diabase dike intruding metaconglomerate, NE Maine
igneous, intrusive, intrusion, mafic
Apophysis of basaltic intrusion in granite
igneous, intrusive, intrusion, mafic
Pyroclastics of 3.5Ka Minoan eruption, Santorini
tephra, students
Andesitic dike, New Zealand
dyke, intrusion
Columnar-jointed basalt, Oregon
lava, dwshed, columns, columnar, colonnade
Pegmatite dike cutting schist, Montana
intrusion, intrusive, metamorphic, Archean, precambrian
Mafic Dikes intruding Limestone
intrusion, intrusive, igneous
Cinder cone and flow, California
volcanic, igneous, Cascade volcanoes
Purcell sill, Glacier National Park, Montana.
igneous, intrusive, intrusion, Precambrian
Garnet Peridotite hand sample
specimen, igneous, intrusive
Granite sill intruding gneiss, Colorado.
igneous, intrusive