Hydrologic Unit Map -1974 State Of New Mexico
Northern Pine Grove Hills And Southern Singatse Range
Geologic Map Of Enoch Nw Quadrangle, Iron County, Utah
The Following 16 Drill Cutting Samples From November 1979 Were Selected For Conductivity Determination. Egi Reference Number Gl05468_9
East Mesa Geothermal Project Vicinity Map - Exhibit "A" For Plans Of Injection Deveopment, And Utilization
Vale - Oregon Bouguer Anomaly Map
Geologic Highway Map Of The Pacific Southwest Region
Statistical Curvature Analysis Applied To Stratigraphic Heterogeneity In The Ferron Sandstone, Utah. Egi Reference Number Gl04715
The Adak Geothermal Project is concerned with the use of geothermal energy as a possible alternative to the present fossil fuel energy system on Adak. Three different types of geothermal energy systems, each based on an assumed different reservoir temperature range, are considered.
(1) space heating using either above-ground insulated fiberglass pipelines or in-ground insulated steel pipelines, (2) direct electrical power generation using geothermal fluids either at a central power plant
or via individual wellhead generating units, either system producing 25 MWe gross output, or (3) a binary geothermal electrical power generation facility where the geothermal fluids would heat a secondary (binary) fluid which would operate the electrical generating equipment, producing a 25 MWe gross output.
The cost of each system was analyzed, and cost-effectiveness was determined by comparing the investment cost with projected fuel savings. Of all the alternate geothermal systems analyzed, the most attractive is the wellhead generating units.
Radar and thermal data collected by a high-altitude aircraft were used to study thermal anomalies and structural elements of the Pilgrim Springs, Alaska area. A large number of linears were detected from the imagery. Many of these linears represent fractures and/or faults (lineaments), some of which may possibly provide conduits for the emergence of hot water at the springs.
Glacial hazard constraints, this publication is a part of the larger work PDF 86-60. Additional downloadable PDF's include: Map of glaciers above geothermal well site, scale 1:24,000.
Information has been gathered on 13 reported thermal-spring sites, 12 in southern Southeastern Alaska and on in western British Columbia. Five of the reported sites could not be substantiated by DGGD. The eight known thermal spring sites are associated with granitic terrain and, except for Baker Island Hot Springs, occur within or near intensively fractured Cretaceous-age plutons of the Coast Range Batholith.
The purpose of the Surface Water Hydrology section is twofold: first, to
describe and generally define stream flow of Makushin Valley River basin streams, especially those that could receive geothermal wastewater. Second, to assess the flow, channel, and basin characteristics of streams adjacent to potential road or transmission line corridors in the Makushin Valley.
Stream flow information is necessary for power plant and facility siting, as well as for water quality analyses. Facility construction can have
deleterious impacts on the natural stream flow; on the other hand, floodwaters can seriously damage buildings, road, and transmission line towers. In addition, stream flow magnitude data are critical for assessing potential water chemistry and dilution effects if geothermal wastewater is routed to the streams. Data gathered in the field along with empirical methods are used to present hydrologic information that should prove helpful in future feasibility and design work. This publication is part of a larger work. Please see PDF 86-60 for more information.
Abstract: The only known hot spring in the Brooks Range was first visited by a scientific expedition in 1886. Ensign Reed of the U.S. Navy went to the spring by dog team in March of that year, and the visit was reported in Naval Explorations in Alaska, written by Lieutenant George M., Stoney and published by the U.S. Naval Institute In 1900. The location of the hot spring was obscure and, to the best of my knowledge, has not been mentioned in geological literature since then, except as a reference to the report by Stoney, which is quoted below.
Geology of Hot Springs Bay Valley Akutan Island, Alaska. This publication is part of a larger work. Please see RI 88-3 for more information see http://dggs.alaska.gov/pubs/id/2444.