Flow of lava into the sea, 1969–1971, Kilauea Volcano, Hawaii
James G. Moore, R. L. Phillips, R.W. Grigg, D. W. Peterson, Don Swanson
1973, GSA Bulletin (84) 537-546
Lava from the Mauna Ulu eruption on Kilauea Volcano entered the sea on the south coast of the Island of Hawaii three times from 1969 to 1971. Two of these flows were investigated underwater by divers, one while lava was actively flowing.The June 1969 flow entered the sea as a...
Origin of Comb Layering and Orbicular Structure, Sierra Nevada Batholith, California
James G. Moore, J. P. Lockwood
1973, GSA Bulletin (84) 1-20
A new descriptive term, comb layering, is proposed to replace the informal term Willow Lake-type layering, first introduced by Poldervaart and Taubeneck (1959) to describe layering in granitoid rocks in which constituent crystals are oriented approximately perpendicular to individual layers. The term schlieren layering is proposed to describe the “normal” layering of granitic rocks...
Iron-formation in South America
John Van N. Dorr
1973, Economic Geology (68) 1005-1022
Except for recent studies by certain South American governmental and quasi-governmental companies and agencies, little effort has been devoted to study of the iron-formations from which the great iron ore deposits of South America formed. Great gaps in basic information exist. Iron-formation is found in the Guayana and Brazilian Precambrian...
Silica-carbonate alteration of serpentine: Wall rock alteration in mercury deposits of the California Coast Ranges
I. Barnes, J. R. O’Neil, J. B. Rapp, D. E. White
1973, Economic Geology (68) 388-398
Chemical, isotopic, and thermodynamic properties have been measured of CO 2-rich ground waters in the central California Coast Ranges. The acidic CO 2-rich waters react with serpentine to form silica-carbonate rock, the host rock of many mercury deposits in the Coast Range of California. In part the waters are of a metamorphic...
Gold-bearing arsenian pyrite determined by microprobe analysis, Cortez and Carlin Gold Mines, Nevada
J. D. Wells, T. E. Mullens
1973, Economic Geology (68) 187-201
Studies of polished sections and chemical analyses made by electron microprobe show that gold and arsenic in the unoxidized ores from the Cortez and Carlin mines are most abundant in pyrite. Gold, as particles too small to be seen under the microscope, along with arsenic is concentrated in tiny pyrite...
Blueschist metamorphism in the Yreka-Fort Jones area, Klamath Mountains, California
Preston E. Hotz
1973, Journal of Research of the U.S. Geological Survey (1) 53-61
Blueschist is plentiful in the Yreka-Fort Jones area, eastern Klamath Mountains, adjacent to a belt of serpentinite that marks the boundary between two fundamental lithologic units, an eastern belt of early Paleozoic sedimentary and metamorphic rocks, and a western greenstone-chert assemblage of late Paleozoic and Triassic(?) age. The blueschists, which contain lawsonite and glaucophane or crossite,...
The channeled scablands of eastern Washington : the geologic story of the Spokane flood
1973, Report
Annual compilation and analysis of hydrologic data for Pin Oak Creek, Trinity River basin, Texas, 1971
B.B. Hampton
1973, Report
The U.S. Soil Conservation Service is actively engaged in the installation of flood- and soil-erosion reducing measures in Texas under the authority of "The Flood Control Act of 1936 and 1944" and "Watershed Protection and Flood Prevention Act" (Public Law 566), as amended. The Soil Conservation Service has found a...
Lake Okeechobee seepage monitoring network
Donald J. McKenzie
1973, Open-File Report FL 73-018
This report summarizes the data collected at the five original monitoring sites along the south shore of Lake Okeechobee from January 29, 1970 to June 28, 1972. In order to use the hydrographs in this report to full advantage, they should be studied in conjunction with Meyer's graphs and text...
Thermal and mineral waters of nonmeteoric origin, California Coast Ranges
Donald E. White, Ivan Barnes, James R. O’Neil
1973, GSA Bulletin (84) 547-560
Recent isotope studies show that the waters involved in a variety of geologic processes are dominantly the local meteoric water of each area. In most active geothermal systems, the D/H ratio of the hot water is nearly identical with the local cold meteoric water, but the O18/O16 ratio has been shifted...
Lakes of Oregon, Volume 1: Clatsop, Columbia, and Tillamook Counties
R.B. Sanderson, M.V. Shulters, D. A. Curtiss
1973, Report
An inventory of lakes and reservoirs in Oregon has been needed for many years. Records have long been collected throughout the State to assess the quantity and quality of water from streams, but few data have been collected on water stored in Oregon's lakes and reservoirs. Such data are essential...
Geology of the Mississippian aquifer in Iowa
P. J. Horick, W. L. Steinhilber
1973, Report
No abstract available....
Value and validity of earth resources observations from space
Charles J. Robinove
1973, Hydrological Sciences Bulletin (18) 63-67
Observations of the earth from space can provide overall repetitive views in various regions of the electromagnetic spectrum. Data from such surveys can be used as the basis for more detailed observations from aircraft and on the ground to guide resource exploration, development, and conservation activities.The value of earth resource...
X-ray diffraction analysis of pictograph pigments from Toquima Cave, central Nevada
Edwin H. McKee, David H. Thomas
1973, American Antiquity (38) 112-113
X-ray diffraction analysis of red, yellow, white, and black pigments from pictographs in Toquima Cave in central Nevada reveals that gypsum was used as a binder in all colors; ocher (hematite and goethite) and carbon (charcoal) formed the coloring agents. Gypsum and ocher are not found in or near the...
Transient and steady-state salt transport between sediments and brine in closed lakes
Abraham Lerman, Blair F. Jones
1973, Limnology and Oceanography (18) 72-85
A diffusional transport model for Lake Abert, Oregon, predicts the rates of salt transport from pore fluids into lake waters. In a lake without outflow dissolved salts may migrate across the sediment-water interface in response to a concentration difference between lake and interstitial brine. Transport of salt upward is transient;...
Interstitial water studies on small core samples from the Mediterranean Sea
F.L. Sayles, L.S. Waterman, F.T. Manheim
1973, Initial reports of the Deep Sea Drilling Project (13) 801-808
Of ten Leg 13 sites studied by us, eight give definite evidence of the existence of halite-containing sediments beneath the seabed. This conclusion is based on the existence on continuous sodium and chloride enrichments in interstitial waters with depth. This is the only direct evidence of the existence of salt...
Water resources data for Iowa, water year 1972
U.S. Geological Survey
1973, Report
No abstract available....
Late Quaternary sedimentation in the active eastern Aleutian Trench
David J. W. Piper, Roland von Huene, John R. Duncan
1973, Geology (1) 19-22
Sediments originally deposited on the Alaskan Abyssal Plain have been depressed to form the eastern Aleutian Trench. Simultaneously, a wedge of horizontally bedded sediments, about 1 km thick at its axis, has been deposited in the trench. The time-transgressive facies change between this wedge of sediment and the abyssal-plain sediment...
Ground-water data in Santa Barbara and southern San Luis Obispo counties, California
Charles Edwin Lamb, Mary J. Mermod
1973, Report
No abstract available....
X-ray fluorescence determination of sodium in silicate standards using direct dilution and dilution fusion preparation techniques
B.P. Fabbi
1973, X-ray Spectrometry (2) 15-17
Direct dilution of a sample with an equal proportion of cellulose binder and dilution fusion of one part of sample with fourteen parts of LiBO2 flux has been used to prepare pelletized samples of silicate standards for determining sodium by X-ray fluorescence analysis. An RAP analysing crystal was used to disperse...
Nitrogen, phosphorus, and trace elements in Florida surface waters, 1970-1971
Boyd F. Joyner
1973, Open-File Report FL 73-028
No abstract available....
Two sources of error in low temperature inclusion homogenization determination, and corrections on published temperatures for the East Tennessee and Laisvall deposits
L.T. Larson, J.D. Miller, J. E. Nadeau, Edwin Roedder
1973, Economic Geology (68) 113-116
No abstract available....
Granitic rocks of the White Mountains area, California-Nevada: Age and regional significance
Dwight F. Crowder, Edwin H. McKee, Donald C. Ross, Konrad Krauskopf
1973, Geological Society of America Bulletin (84) 285-296
Potassium-argon ages have been determined on 25 biotite and hornblende samples (four coexisting biotite-hornblende pairs were dated) from a number of granitic formations in the more than 500 sq mi of dominantly granitic outcrop in the White Mountains. These new data, together with earlier published radiometric ages, indicate a group...
Determination of aquatic primary productivity (photosynthesis) in Lake Koocanusa, Montana, by the carbon-14 light and dark bottle method
V.J. Janzer, L.J. Schroder, J. R. Knapton
1973, Report
Hydrologic data for 1971, Broward County, Florida
H.W. Bearden
1973, Open-File Report FL 73-016
No abstract available....
