Quarterly of the Colorado School of Mines, 55. sējums,4. izdevums

ancestral Front Range arkosic detritus beds bleached capital cells cements clayey matrix Colorado Front Range conglomerate Congress coralline algae cost cross-strata cross-stratified deltaic-lacustrine depletion allowances deposits detrital detrital fraction discovery value economic Eldorado Springs equation feldspar feldspathic sandstones Figure flood-plain redstones fossil Fountain and Lyons Fountain arkose Fountain Formation Fountain gravels fracture Front Range highland Genus Geol Glen Eyrie Glen Eyrie shale hematite incident income Johnson Konishi legislative rationale lenses limestone Lyons arkoses Lyons feldspathic quartzites Lyons sandstone Maslov material metaquartzite micaceous mining non-aggregate quartz grains non-opaque heavy mineral oil and gas Ordovician orthoquartzites outcrop Paleozoic Parachaetetes Pennsylvanian percent percentage depletion Permian pulse quartz quartz pebbles quartzose Red Rocks Theater reflected rock fragments rock types Roxborough Park samples saw-toothed shale shape siltstone Silurian size-sorting Solenopora Solenoporaceae spall species spherical wave sporangia stress surface tension thickness tion tissue tourmaline ZTR index στ