D-Subject Index                      
Cochise College                                                                                        
Geology Home Page 
Subject Index-Main Page
Roger Weller, geology instructor 
wellerr@cochise.edu )
last edited:  4/25/17     

dacite   rock photos

dams   Google geology project
danburite   gemstone photos
danburite   mineral photos
datolite   gemstone photos
datolite   mineral photos
Death Valley, California
debris flow-Cat Mountain, Arizona   photo tour
debris flow video   YouTube video
deer fossil   fossil photograph

Delaware geology   Internet links
deltas   Google geology project
dendritic drainage   Google geology project
dendritic drainage pattern, Algeria  Google Geology project
dendritic drainage pattern, Wyoming   Google Geology project
Denver Basin, Colorado   geology maps  Google Earth geology project
desert rivers in northern Africa   Google Earth geology project
desmostylian fossil   fossil photograph
descloizite   mineral photos
Des Plaines Disturbance, Illinois   geology maps
Devils Post Pile, California-columnar jointing   photo tour

Devils Tower, Wyoming
Devonian period
diabase   rock photos
diamond   gemstone photos
diamond   mineral photos
diamond formation   geology cartoon
Diamondhead volcano, Oahu, Hawaii   photo tour

diamond polishing
diamond purchasing
diamonds, a girl's best friend
diamonds and pearls
diamonds, colored
diamonds, conflict
diamonds, Debswana company
diamonds, 4 c's (#1)
diamonds, 4 c's (#2)
diamonds, general #1
diamonds, general #2
diamonds, general #3
diamonds, general #4
diamonds, lab-created
diamonds, N.Y. diamond market
diamonds vs. cubic zirconia #1
diamonds vs. cubic zirconia #2
Diamondhead Crater, Hawaii
diaspore   mineral photos
diatomaceous earth
diatomaceous earth   rock photos
dikes and veins, San Jacinto Mountains, California   photo tour
dikes in ew Mexico-radial dikes   Google Earth geology project
dikes in Montana- Radial dikes   Google Earth geology project
dinosaurs   YouTube videos
diopside   gemstone photos
diopside   mineral photos
dioptase   mineral photos
diorite   rock photos
dire wolf fossil   fossil photograph

dirt used in construction
disposal of radioactive waste
divide, drainage basin    Google Geology Project
dogtoothspar calcite crystals   geology cartoon
dolomite   mineral photos
dolomite   rock photos

dormant volcanoes, Honduras
Dos Cabezas Mountains-geology    references
Dragon Jar, earthquake detector
Dragoon Mountains, Arizona
Dragoon Mountains, Arizona-geology   photos and references
drainage basin   geology cartoon

dravite   mineral photos
duck-billed platypus
duck-billed platypus #2
duck-billed platypus #3
Duluth, Minnesota   geology maps
dumortierite   mineral photos
dunite   rock photos
dust devils

dysanalite   mineral photos

Copyright 2016 R.Weller