Chapter D

diabase 59
dikes 56
dipping 39
dolomite 75

E
“edgewise” conglomerate 73
epochs 46
eras 46
erosion 27
erratics 31
extrusive igneous rocks 46

F
fault 9
fault block mountain range 37
fault scarps 37
formations 66
frost wedging 25

G
geologic 10
glacial striae 30
gradients 28
Grand Valley Lake 95
granite 55
granite gneiss 54
groups 47
gypsum 79

H
herbivores 95
Hoback normal fault 103
hole 8
hornblende 51