IDS PHOTO 35
Finger-like projections of quartz along the margin of an intermediate-composition dike (left), Spangler Hills. The origin of these interesting features is unknown (compare with IDS Photo 29).
IDS PHOTO 35 |
|
Finger-like projections of quartz along the margin of an intermediate-composition dike (left), Spangler Hills. The origin of these interesting features is unknown (compare with IDS Photo 29). |