Term Defined or described on page

A amphibolite [51] anticlines [85]

B badlands [14] bentonite [81] biotite [51] brachiopods [70] Buffalo Glaciation [106] Bull Lake Glaciation [108] Burned Ridge moraine [111] buttes [18]

C Carbon-14 [48] carnivores [95] chlorite [56] cirque [30] climatic optimum [112] Cordilleran trough [69]

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]

I Ice Age [105] igneous rocks [46] intrusive igneous rocks [46]