Duplicates of slides may be ordered from the U.S. Geological Survey Photographic Library, MS 914, Box 25046, Federal Center, Lakewood, CO 80225, telephone (303) 236-1010. Individual slides can be identified as "LINDSEYDA SLIDE #." To view slides, go to the slide show or click on the linked slide numbers in the table below. To view unlinked slide numbers, click on nearest linked slide number above the desired number and scroll to the slide. To choose other pages, return to the home page.
| SLIDE NUMBER | YEAR TAKEN |
DESCRIPTION |
| SLIDE 1 | 1978 |
AERIAL VIEW: SPOR MOUNTAIN, THE DELL, THOMAS RANGE |
| SLIDE 2 | 1978 |
AERIAL VIEW: SPOR MOUNTAIN BERYLLIUM MINES |
| SLIDE 3 | 1978 |
AERIAL VIEW: ROADSIDE BERYLLIUM MINE |
| SLIDE 4 | 1978 |
AERIAL VIEW: SPOR MOUNTAIN, THE DELL |
| SLIDE 5 | 1978 |
AERIAL VIEW: THE DELL, YELLOW CHIEF URANIUM MINE, HOGSBACK AND CLAYBANK PROSPECTS |
| SLIDE 6 | 1978 |
AERIAL VIEW: YELLOW CHIEF URANIUM MINE |
| SLIDE 7 | 1978 |
AERIAL VIEW: FISH SPRINGS FLAT, SPOR MOUNTAIN |
| SLIDE 8 | 1978 |
AERIAL VIEW: THOMAS RANGE (B&W), TOPAZ MOUNTAIN RHYOLITE |
| SLIDE 9 | 1978 |
AERIAL VIEW: THOMAS RANGE, TOPAZ MOUNTAIN RHYOLITE |
| SLIDE 10 | 1980 |
LOCATION MAP: MOUNTAIN RANGES, BERYLLIUM OCCURRENCES AND CALDERAS |
| SLIDE 11 | 1979 |
BELL HILL FLUORSPAR MINE AT SPOR MOUNTAIN |
| SLIDE 12 | 1976 |
YELLOW CHIEF URANIUM MINE OPEN PIT IN THE DELL |
| SLIDE 13 | 1970 |
ROADSIDE BERYLLIUM MINE OPEN PIT AT SPOR MOUNTAIN |
| SLIDE 14 | 1979 |
MONITOR BERYLLIUM PROSPECT PIT IN FISH SPRINGS FLAT |
| SLIDE 15 | 1976 |
HOGSBACK AND CLAYBANK BERYLLIUM PROSPECTS IN THE DELL |
| SLIDE 16 | 1980 |
SUMMARY TABLE: GEOLOGIC HISTORY, SPOR MOUNTAIN, THOMAS RANGE, DRUM MOUNTAINS |
| SLIDE 17 | 1980 |
GEOLOGIC MAP: SPOR MOUNTAIN, THOMAS RANGE, DRUM MOUNTAINS |
| SLIDE 18 | 1978 |
DRUM MOUNTAINS RHYODACITE, FLOWS AT SPOR MOUNTAIN |
| SLIDE 19 | 1978 |
MT. LAIRD TUFF, BRECCIA NEAR JOY TOWNSITE |
| SLIDE 20 | 1978 |
AERIAL VIEW: JOY FAULT, JOY TUFF |
| SLIDE 21 | 1978 |
BRECCIA AT SPOR MOUNTAIN |
| SLIDE 22 | 1978 |
BRECCIA OF WILDHORSE SPRING |
| SLIDE 23 | 1978 |
JOY TUFF, WELDED TUFF NEAR JOY TOWNSITE |
| SLIDE 24 | 1979 |
JOY TUFF, WELDED TUFF, BRECCIA AT AUTUNITE PROSPECT |
| SLIDE 25 | 1978 |
JOY TUFF, WELDED TUFF, LANDSLIDE MEGABRECCIA OF NORTHERN DRUM MOUNTAINS |
| SLIDE 26 | 1969 |
TOPAZ MOUNTAIN RHYOLITE, TOPAZ VALLEY, TOPAZ MOUNTAIN |
| SLIDE 27 | 1979 |
TOPAZ MOUNTAIN RHYOLITE SECTION AT AUTUNITE PROSPECT |
| SLIDE 28 | 1969 |
TOPAZ MOUNTAIN RHYOLITE, STRATIFIED TUFF IN PALEOVALLEY AT AUTUNITE PROSPECT |
| SLIDE 29 | 1969 |
TOPAZ MOUNTAIN RHYOLITE, TUFF FILLING PALEOVALLEY IN THE DELL |
| SLIDE 30 | 1969 |
T0PAZ MOUNTAIN RHYOLITE, ANTELOPE RIDGE |
| SLIDE 31 | 1969 |
TOPAZ MOUNTAIN RHYOLITE, CROSSBEDDED STRATIFIED TUFF AT ANTELOPE RIDGE |
| SLIDE 32 | 1969 |
TOPAZ MOUNTAIN RHYOLITE, STONY TUFF WITH VOLCANIC ROCK FRAGMENTS AT ANTELOPE RIDGE |
| SLIDE 33 | 1969 |
TOPAZ MOUNTAIN RHYOLITE, LARGE LITHIC FRAGMENT AT ANTELOPE RIDGE |
| SLIDE 34 | 1969 |
TOPAZ MOUNTAIN RHYOLITE, PUMICE TUFF AT WILDHORSE SPRING |
| SLIDE 35 | 1971 |
ALKALI RHYOLITE FLOWS AND TUFF, SOUTHEAST KEG MOUNTAIN (B&W) |
| SLIDE 36 | 1971 |
ALKALI RHYOLITE FLOWS AND TUFF, SOUTHEAST KEG MOUNTAIN (B&W) |
| SLIDE 37 | 1971 |
FUSED TUFF, SOUTHEAST KEG MOUNTAIN (B&W) |
| SLIDE 38 | 1971 |
TUFF WITH PUMICE AND VOLCANIC ROCK FRAGMENTS, KEG MOUNTAIN (B&W) |
| SLIDE 39 | 1980 |
THIN SECTION PHOTOMICROGRAPH OF GLASSY TUFF, KEG MOUNTAIN |
| SLIDE 40 | 1980 |
THIN SECTION PHOTOMICROGRAPH OF ZEOLITIC TUFF, KEG MOUNTAIN |
| SLIDE 41 | 1978 |
AERIAL VIEW: FUMAROLE BUTTE |
| SLIDE 42 | 1976 |
HONEYCOMB HILLS, RHYOLITE DOMES |
| SLIDE 43 | 1976 |
EAST HONEYCOMB, RHYOLITE DOME |
| SLIDE 44 | 1976 |
WEST HONEYCOMB, RHYOLITE AND TUFF |
| SLIDE 45 | 1976 |
STRATIFIED TUFF IN PROSPECT, HONEYCOMB HILLS |
| SLIDE 46 | 1980 |
TOTAL ALKALI-SILICA DIAGRAM OF VOLCANIC ROCKS, THOMAS RANGE AND DRUM MOUNTAINS |
| SLIDE 47 | 1976 |
BERYLLIUM TUFF MEMBER OF SPOR MOUNTAIN FORMATION, SOUTH OF BLUE CHALK PROSPECT |
| SLIDE 48 | 1979 |
PIT FACE SHOWING BERYLLIUM TUFF MEMBER OF SPOR MOUNTAIN FORMATION WITH ABUNDANT CARBONATE CLASTS, MONITOR PIT |
| SLIDE 49 | 1979 |
DETAIL OF BERYLLIUM TUFF MEMBER OF SPOR MOUNTAIN FORMATION WITH ABUNDANT CARBONATE CLASTS, MONITOR PIT |
| SLIDE 50 | 1971 |
SPECIMEN SHOWING CARBONATE CLASTS IN UNMINERALIZED BERYLLIUM TUFF, MONITOR PIT |
| SLIDE 51 | 1970 |
SPECIMEN OF MINERALIZED BERYLLIUM TUFF, ROADSIDE PIT |
| SLIDE 52 | 1971 |
SPECIMEN OF MINERALIZED TUFF WITH CLAY-FLUORITE NODULES, RAINBOW PIT |
| SLIDE 53 | 1971 |
SPECIMEN OF MINERALIZED TUFF WITH CLAY-FLUORITE-MANGANESE OXIDE NODULES, RAINBOW PIT |
| SLIDE 54 | 1970 |
SPECIMEN OF MINERALIZED TUFF WITH LITHIUM-BEARING CLAY-FLUORITE-MANGANESE OXIDE NODULES, ROADSIDE PIT |
| SLIDE 55 | 1980 |
GEOLOGIC MAP OF SPOR MOUNTAIN |
| SLIDE 56 | 1980 |
CROSS-SECTION SHOWING ALTERATION MINERALS AND BERYLLIUM VALUES, ROADSIDE BERYLLIUM DEPOSIT |
| SLIDE 57 | 1970 |
ZONED MINERALIZED NODULE OF CALCITE-QUARTZ-OPAL-FLUORITE FROM ROADSIDE PIT |
| SLIDE 58 | 1970 |
ZONED MINERALIZED NODULE OF CALCITE-QUARTZ-OPAL-FLUORITE, WITH ORIGINAL CHERT CONCRETION, FROM ROADSIDE PIT |
| SLIDE 59 | 1970 |
ZONED MINERALIZED NODULE OF QUARTZ-OPAL-FLUORITE FROM ROADSIDE PIT |
| SLIDE 60 | 1971 |
COMPLEX MINERALIZED NODULE OF OPAL-FLUORITE FROM HOGSBACK PROSPECT |
| SLIDE 61 | 1970 |
ZONED MINERALIZED NODULES OF FLUORITE-OPAL FROM ROADSIDE PIT |
| SLIDE 62 | 1979 |
ZONED FLUORITE-OPAL MINERALIZED NODULE FROM MONITOR PIT, USED FOR LEAD-URANIUM DATES OF BERYLLIUM MINERALIZATION |
| SLIDE 63 | 1972 |
THIN SECTION PHOTOMICROGRAPH OF GLASSY TUFF MATRIX, FROM SMALL PIT SOUTH OF BLUE CHALK PROSPECT |
| SLIDE 64 | 1972 |
THIN SECTION PHOTOMICROGRAPH OF SERICITE RIMMING ROCK FRAGMENT, FROM ROADSIDE PIT |
| SLIDE 65 | 1972 |
THIN SECTION PHOTOMICROGRAPH OF POTASSIUM-FELDSPAR OVERGROWTH ON SANIDINE, FROM ROADSIDE PIT |
| SLIDE 66 | 1979 |
SPECIMEN OF FLUORITE-ENCRUSTED OPAL VEIN FROM ROADSIDE PIT, USED IN LEAD-URANIUM DATES OF BERYLLIUM MINERALIZATION |
| SLIDE 67 | 1978 |
WEEKSITE URANIUM ORE FROM YELLOW CHIEF MINE |
| SLIDE 68 | 1980 |
CROSS-SECTION SHOWING THORIUM AND URANIUM VALUES, ROADSIDE BERYLLIUM DEPOSIT |
| SLIDE 69 | 1980 |
CROSS-SECTION SHOWING URANIUM VALUES AND THORIUM/URANIUM RATIOS, ROADSIDE BERYLLIUM DEPOSIT |
| SLIDE 70 | 1980 |
GRAPHS SHOWING BERYLLIUM AND URANIUM VALUES IN DRILLHOLE CUTTINGS OF MINERALIZED TUFF, SPOR MOUNTAIN AREA |