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| historian-collector William J. Brunet set out to trace three ilmenite occurrences mentioned in late 19th-century literature...known in 1887 as the Yale Farm, about two miles northeast of the town of Litchfield, where a mass of white...ridge had once been mined for quartz, and large ilmenite masses could be seen on the old dumps. In 1975-1976...Brunet collected sharp, black, flattened hexagonal ilmenite crystals to 7 .5 cm in matrix of massive quartz...judgment, many more "lost" localities for good ilmenite crystals exist in the region (Brunet, I 977b ) |
 | | Report (issue) |
| trending north-south, immediately west of Spirit Lake. Any use of trade names is for descriptive purposes...persuade the authorities first to limit access to the area around the volcano, and then to resist heavy pressure...having occurred close to a major industrialized urban area. Mount St. Helens in 1980 was therefore remarkable...Photographs showing: 3 Mount St. Helens from the northeast ............ 6 4 Mount St. Helens from the southwest........... 12 6 Summit area of Mount St. Helens, March 27 ..... 18 7 Summit area of Mount St. Helens, April12 |
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| Surficial Geology and Geomorphology of the Lake Tapps Quadrangle Washington GEOLOGICAL SURVEY PROFESSIONAL...388-A Surficial Geology and Geomorphology of the Lake Tapps Quadrangle Washington By DWIGHT R. CRANDELL...______--_-_Till and gravel of pre-Vashon piedmont glacier.. Evans Creek drift______ ___--_------------------Description...sand___--_-__------Carbon River valley ________________ Voight Creek valley. -___ _ Glacial Lake Puyallup__________---_Delta...Duwamish White River valley-_______ South Prairie Creek valley _ Carbon River valley ______ Artificial fill |
 | | Report (issue) |
| ......................... Position of Hubbard Glacier front i n 1792 and 1794..........................32 33 33 4 CONTENTS . CHAPTER IV . Existing valley glaciers...................................................................................... Glacier highways.............................................................. Glacier termini ........... . . . Alpine type of valley glaciers....................................................... Turner Glacier .............................................. |
 | | Report (issue) |
| Ross. With a section on A gravity study of Long Valley, by L. c~ Pakiser. Washington, U.S. Govt. Print...____________________________ _ Formations of the Convict Lake block ________ _ Buzztail Spring formation _______________...Mount Aggie formation _________________ _ Convict Lake formation ____ ..;,_-.- ______ -: __ Lower siliceous...__________ ~ _________ _ Mildred Lake hornfels __________________ _ Lake Dorothy hornfels _________________...Mammoth Rock ______ --_·______ Latite of Arrowhead Lake ___________ ------------Petrography_______________________________ |
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| ....................... Page. 9 10 10 Central area- ................................. 10 Central...West slope from Shell Greek to Tensleep Canyon.................................... 99 West slope from...Powder River............................. 101 East slope adjoining Buffalo Creek................................... II. Map of portion of Wyoming, showing area treated in this report........................ III...of Bighorn Mountains; B, The granite slope rising above valley of Deadwood shales, east side of Bighorn |
 | | Book (volume) |
| National Monument Channel Islands National Park Crater Lake National Park Devils Postpile National Monument...mountain ranges parallel nearby coasts (witness the area covered by this book), how great granite-cored ranges...FAULTED PLATEAU FAULTED INTERIOR RIFT RANGE VALLEY 9 INTERIOR PLAINS THICK CONTINENTAL CRUST Sh...ere| ©%/p WOOD CNSR ENON SEQUOIA SEITE CRATER LAKE LASSEN VOLCANIC MOUNT RAINIER YELLOWSTONE CRATERS...CANYON GRAND ZION BIG BEND GLACIER GUADALUPE MTS ROCKY MOUNTAIN DEATH VALLEY GREAT SAND DUNES BADLANDS |
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| Delaware Valley, New JerseyPennsylvania, by A. A. Drake, Jr. 51 IB. Geology of the Valley and Ridge...gaps and of stream capture in the Strouds¬ burg area, Pennsylvania, and New Jersey, by Jack B. Epstein...geology of part of northern New Jersey and the Trenton area, by J. P. Minard and E. C. Rhodehamel 279 Late...Island area and its engineering significance, by A. J. Depman and 6. D. G. Parrillo 354 Ilmenite deposits...and areas immediately adjacent to the Delaware Valley in New Jersey and eastern Pennsylvania. The book |
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| ___________ 7. Distinctive characteristics of glacier runoff, by Mark Meier arid Wendell V. Tangborn...-----------------------11. Modified conveyance-slope applied to development of stage-fall-discharge ratings...__________ 16. Some effects of microclimate on slope morphology and drainage basin development, by Richard...evapotranspiration losses in the central Sevier Valley, Utah, by Richard A. Young and Carl H. Carpent..._______ 36. Characteristics of seiches on Oneida Lake, N Y., by John Shen ------------------------~-- |
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| Temperatures in the crust and melt of Alae lava lake, Hawaii, after the August 1963 eruption of Kilauea...in wallrock alteration in the Upper Mississippi Valley zinc-lead district, by J. W. Hosterman, A. V. Heyl...Quaternary geology and 99 glacio~ogy Three pre-Bull Lake tills in the Wind River Mountains, Wyoming-a reinterpretation...by G. M. Richmond___________ Post-hypsithermal glacier advances at Mount Rainier, Washington, by D. R...thermal stratification by an air-bubbling technique in Lake Wohlford, Calif., by G. E. Koberg_ ~ __ _____ ___ |
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| .... The Terminal Moraine of the Puget Sound Glacier. J. Harlen 161 Editorial: The Seeding of Worlds...C. Chamberlin and Rollin T. Chamberlin 193 Valley Filling by Intermittent Streams. A. E. Parkins... The Differentiation of Keweenawan Diabases of Lake Nipigon. Genera of Weller E. Moore S. in...W. Williston The Terrestrial Deposits of Owens Valley, California. Arthur On Corundum-Syenite 660 ...of eruptives. In the original Keewatin region on Lake-ofthe-Woods eruptive rocks are in great preponderance |
 | | Report (issue) |
| the Eastern Part of the Alaska Range and Adjacent Area GEOLOGICAL SURVEY BULLETIN 989-D "Geology...investigations and drawn together his vast knowledge of this area, which heretofore appeared in many Survey bulletins...foundation for this report, and future students of this area will be ever grateful for the time and effort which...additional area that includes part of the Wrangell Mountains and the upper Copper River valley. The Alaska...Devonian rocks are restricted to the Nut/otin Mountains area, where they are associated with Permian rocks that |
 | | Report (issue) |
| OFFICE 1913 CONTENTS. INTRODUCTION 2 Location of area Outline of the report Extent of field work Previous...Permian (?) formations 2 Post-Pennsylvanian land area of southwestern Arizona Glaciation and alluviation...the cone Observatory Mesa 2 Sugarloaf Hill 2 Dry Lake Hills Laccoliths of the second period Marble Hill...Sedimentary rocks 2 Eastern sedimentary area Northern sedimentary area 2 2 Origin of Elden Mountain. Mode...Coconino monocline at Coconino Point, Little Colorado Valley; B, Bottomless Pit, south of Elden 17 Mountain |
 | | Journal (article/letter/editorial) |
| ............................................. Ilmenite-apatite gabbro..................................series of Cambro-Ordovician rocks of the Great Valley province. The basal member of this series is a...are also preserved in places along the southeast slope of the Blue Eidge and at several points in the vicinity...the central core of igneous rocks. The southeast slope merges into the Piedmont Plateau, along which, in...designated the syenite of the Page-Madison counties area as hypersthene akerite because of its similarity |
 | | Report (issue) |
| Granite. _________________________________ Electra Lake Gabbro _________________________ Trimble Granite...Creek. ___________ Biotite quartz monzonite near Lake Silex______ Lamprophyre dikes. ________________________...----------_-__-------Map of the Needle Mountain area, showing geographic place names and topographic...Tertiary volcanic rocks flank it on the north and northeast. The Needle Mountains uplift extends from Weminuche...Weminuche Greek on the east to Electra Lake and U.S. Highway 550 on the west, and from Vallecito Reservoir |
 | | Report (issue) |
| Cathcart__ Albite-pyroxene-glaucophane schist from Valley Ford, Calif., by T. E. C. Keith and R. G. Cole...distinguishes Tertiary basalts in the Grays River area, southwestern Washington, by E. H. ~cKee-------...monzonite and granite plutons of the Pasayten River area, Washington-Petrology, age, and emplacement, by...of the Barstow Formation in the Alvord ~ountain area, San Bernardino County, Calif., by G. E. Lewis-...geochemistry of Recent sediments in the Choctawatchee Bay area, Florida-A preliminary report, by J. G. Palacas |
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| published in 1985 with his map of the McMurdo Sound area of Antarctica. We are pleased to republish these...resulting meltwater collects in lakes and ponds on the valley floors. In spite of the harsh climate that characterizes...Determinations of Basement Rocks of the Terra-Nova-Bay Area............................................................................. 5.5.2 Shackleton Glacier Area................................................................................ 6.4 Scott Glacier Area............................................ |
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| included Mount Rose in the Sierra Nevada, east of Lake Tahoe, as well as Steam- boat Springs and the Comstock...into a geologic map. The geology of the Mount Rose area became the subject of my thesis for a Master’s Degree...and meta- morphic rocks of the Sierra Nevada. The area I chose for field study lead- ing to a Ph.D. degree...several years in field and laboratory study of this area, all of which is within the region covered by this...the Mount Pinchot Quadrangle, which included the area of my dissertation. As this work evolved, it was |
 | | Report (issue) |
| Garniss Curtis introduced Wes Hildreth to Long Valley in 1960, Ian Carmichael motivated his work on the...ably overseen USGS research and monitoring at Long Valley, today as part of the California Volcano Observatory...history and logistics of the Mammoth Mountain Ski Area; to Gene Suemnicht and Mike Sorey for advice on...........................................9 Long Valley Rhyolites...........................................14 Postcaldera Eruptive History of the Long Valley System........................................ |
 | | Report (issue) |
| by the U.S. Geological Survey (Newcomer Glacier, Nimitz Glacier, and Vinson Massif sheets, 1962). On November...of the Heritage Range (Liberty Hills and Union Glacier Sheets) were compiled and printed in 1967 from...reconnaissance from a base camp near the Minnesota Glacier to the ends of the ranges and for some site-specific...turbine helicopters at a base camp on the Minnesota Glacier (Rutford and Smith, 1966), allowing visits to outcrops...Expedition conducted an aerial photography mission of the area in the 1978-79 season. A U.S. mountaineering expedition |
 | | Book |
| volcanic islands, second in size only to Iceland. Its area of 4,030 square miles is greater than that of all...on the Hawaiian Islands Highest points Altitude Area Length of Length Width (square shoreline Island...possible the existence of the against the southern slope of the island of Hawaii, may well have been formed...was pouring out at the lower stream on the south slope was 10 miles long. Even faster was the advance of...broader as the erupting fissure beneath it west slope. Shortly after midnight the flow was continued |
 | | Report (issue) |
| gangue and is supposed to be found mainly on the northeast side of a very plastic, iron-stained gouge which...northern part of the Santa Rita Mountains, on the west slope at an elevation of about 4,300 feet. (See fig. 12...metamorphic minerals observed are calcite, magnetite (or ilmenite) and epidote, which are present only in small...the creek across a seemingly small portion of the area. In this part of its course the creek, a fine, clear...in masses one-fourth inch thick and covering an area of about a square inch. Flaky aggregates and small |
 | | Book (edition) |
| largest proportion of land is the north-temperate, the area equalling that of the water while it is only one-third...62° S., has an area of 62,000,000 square miles, or nine and a half millions beyond the area of all the continents...depression. (a.) Outline. The oceanic depressunken area, varying in depth from 1000 or less to, a vast...coasts is shown by the dotted line on the chart. The slope for the 80 miles is only 1 foot in 700. ; Great...South America. The oriental lands have one great area on the north, comprising Europe and Asia combined |
 | | Report (volume) |
| granite. CHAFFEE COUNTY Locality 1.-Browns Creek area, California mine. Beryl, brannerite, ferrimolybdite...pegmatite bodies are along or near the same stream. The area is 12 miles north of Salida and can be reached by...Mount Antero gem locality covers a fairly large area in E 1h, T. 51 N., R. 6 E., and Wlh, T. 51 N., R...index map and road log. Locality 6.-Trout Creek Pass area, Yard and Luella mines. Allanite, biotite, bismutite...muscovite, and xenotime. The Trout Creek Pass pegmatite area is 5 to 7 miles west of Trout Creek Pass and 10 |
 | | Report (volume) |
| incorporated to explore and develop claims in the Highland Valley. Aggressive exploration for porphyry deposits continued...volume. The Highland Valley camp has five major copper-molybdenum deposits (Valley, Lornex, Bethlehem,...within a 15 km? area. The Highland Valley Copper operation, based on the Lornex and Valley orebodies, is...stress regime during the emplacement. The Babine Lake area, another important cluster with two past-producing...Mask batholith, Copper Mountain camp, Galore Creek area and Mt. Milligan are the most significant clusters |
