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Index / Geophysics, Environmental, Geological, Geotech

2Neat Books is located in the Heart of the Rockies, Salida, Colorado, U.S., and has been in business since 1998. We specialize in out-of-print geology, mineralogy, hydrology, paleontology books, papers, bulletins, journals and more from around the world.

You may buy from us with confidence, we stand behind every purchase and believe in doing business for the long run. We take pride in our expert packing and very quick shipping.

Used publications in the fields of geology, geoscience, hydrology, mineralogy, paleonotology, sedimentology, petroleum, water supply, ground water... More →
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Index / Geophysics, Environmental, Geological, Geotech

Satoshi Ide, et al., report that the possibility that tidal stress can trigger earthquakes is long debated. In particular, a clear causal relationship between small earthquakes and the phase of tidal stress is elusive. However, tectonic tremors deep within subduction zones are highly sensitive to tidal stress levels with tremor rate increasing at an exponential rate with rising tidal stress.

Thus, slow deformation and the possibility of earthquakes at subduction plate boundaries may be enhanced during periods of large tidal stress. They calculate the tidal stress history, and speci... More →
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Index / Geophysics, Environmental, Geological, Geotech

Borehole Geophysics as Applied to Geohydrology, Publications, Bibliography... USGS Project
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Index / Geophysics, Environmental, Geological, Geotech

Office of Ground Water Branch of Geophysics (USGS) - Technical support and guidance that fosters the appropriate use of surface and borehole geophysical methods for interdisciplinary earth science investigations...
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Find Out More »  |  Open Resource  |  2009/08/13  |  426 Report Broken   Tell A Friend

Index / Geophysics, Environmental, Geological, Geotech

Computes the estimated values of Earth's magnetic field, including magnetic declination (D), based on the current International Geomagnetic Reference Field (IGRF).
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Index / Geophysics, Environmental, Geological, Geotech

Dr. Phillips reports that anyone watching a compass needle point steadily north might suppose that Earth magnetic field is a constant. It is not. Researchers have long known that changes are afoot. The north magnetic pole routinely moves, as much as 40 km/yr, causing compass needles to drift over time. Moreover, the global magnetic field has weakened 10% since the 19th century.

A new study by the European Space Agency constellation of Swarm satellites reveals that changes may be happening even faster than previously thought. The Earth magnetic field is weak and shows regions where ... More →
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Index / Geophysics, Environmental, Geological, Geotech

Contrary to prevailing wisdom, large earthquakes can interact in unexpected ways. This exciting discovery could dramatically improve scientists' ability to pinpoint future shocks...
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Index / Geophysics, Environmental, Geological, Geotech

Understanding Earthquakes: Elastic Rebound Animation
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Index / Geophysics, Environmental, Geological, Geotech

Founded by Dr. Saribudak in 1994, Environmental Geophysics Associates offers a broad range of geophysical surveys to aid in the geotechnical and environmental problems. Geophysical methods image the subsurface without excavating or intruding into the ground. Geophysics is an essential part of many types of projects that require site-wide coverage, while cost-effectively guiding borehole locations, construction, and remediation efforts.

Applications include karst, aka sinkhole, investigations, brine plume mapping, seepage locations, locations of buried utilities, drums, USTs, and muc... More →
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Index / Geophysics, Environmental, Geological, Geotech

A USGS reference guide on airborne, surface and borehole geophysics at contaminated Federal sites. with emphasis on radiochemistry and radioactive wastes in the soil, surface water and ground water.
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Index / Geophysics, Environmental, Geological, Geotech

Exploration Instruments is the #1 source for rentals of near-surface geophysical equipment in North America. EXI provides magnetometers, gravimeters, radar, seismic, resistivity, and electromagnetic instruments to its clients world-wide.
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Index / Geophysics, Environmental, Geological, Geotech

Muon tomography is a spinoff from particle physics by studying the magma chambers of active volcanoes. But it is also a new tool for geophysical mineral exploration. Other possible applications:

Monitoring carbon sequestration
Monitoring water seepage
Identifying voids
Archeology investigations
Monitoring nuclear waste and reactors
Scanning for contraband nuclear materials

A successful field trial has been performed. Muon geotomography imaged a known massive sulfide deposit in a complex geological environment. Inverted 3D density images of the dep... More →
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Index / Geophysics, Environmental, Geological, Geotech

Geophex, Ltd. is a geophysical research & service company located in Raleigh, NA. Geophex develops, manufactures, & sells geophysical instruments. Geophex also conducts geophysical surveys to investigate subsurface conditions.

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Index / Geophysics, Environmental, Geological, Geotech

The purpose of the surveys was to 1. locate the precise location of submerged conduits carrying flow to Main Barton Springs on the north and south banks of the Barton Springs pool, 2. characterize the hydraulic relation between the Main Barton, Old Mill and Eliza Springs, 3. determine the potential location of caves and active flow paths beneath the three springs, and 4. characterize the geophysical signatures of the fault crossing the Barton Springs pool. The geophysical surveys revealed three general types of anomalies. Resistivity results from the south of the Barton Springs swimming pool i... More →
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Index / Geophysics, Environmental, Geological, Geotech

Geological, geophysical, and mineralogical publications & other information.
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Index / Geophysics, Environmental, Geological, Geotech

Samir Patel reports that the prototype muon detector can identify stacks of bricks through concrete roof of a laboratory. A plot of the data shows that fewer muons make it through the densest material. Similarly, buildings around the detector cast muon shadows. A narrow green band corresponds to a corridor within the building. A similar signal might indicate a tomb in a Maya pyramid.

In what was once a low-energy nuclear physics lab on the campus of the University of Texas at Austin, particle physicist Roy Schwitters stands next to a gaping hole in the floor of a cavernous, garage-... More →
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Index / Geophysics, Environmental, Geological, Geotech

Albuquerque Seismic Lab (ASL) operated jointly by the USGS and IRIS assisted by several staff members from the University Of Texas Institute For Geophysics (UTIG) installed a state of the art broad-band seismometer at Hockley, Texas.
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Index / Geophysics, Environmental, Geological, Geotech

GPR can be used in designing buildings, roads, airports, oil and gas pipelines requires comprehensive study the geological structure of the ground and rocks in the area for construction. Using of geophysical methods for exploration for construction, especially in complex engineering geological conditions of the construction site, provides
additional information about the structure of the ground and improves the quality of project solutions.

GPR replaced the X-ray in flaw detection of large constructions because of potential damage, high price, time consuming and limitations of... More →
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Index / Geophysics, Environmental, Geological, Geotech

ILMF is an industry group whose goal is to advance the education and knowledge of LIDAR mapping technology and applications and about the latest technologies and issues affecting LIDAR mapping.
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Index / Geophysics, Environmental, Geological, Geotech

The Incorporated Research Institutions for Seismology (IRIS) is a consortium of United States Universities that have research programs in seismology. The purpose of IRIS is to develop and operate the infrastructure needed for the acquisition and distribut
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Index / Geophysics, Environmental, Geological, Geotech

Website of Journal including current issues and archives.
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Index / Geophysics, Environmental, Geological, Geotech

The new Special Publication 414 from the Geological Society of London presents a series of chapters indicating that magnetic susceptibility (MS) is a tool frequently used by geologists on sediments or rocks to perform correlations and sea-level or climatic reconstructions. Applied measurements are made on unoriented, bulk samples and bulk MS is mostly influenced by the magnetic mineral content of the rock and often interpreted as influenced by detrital inputs.

Magnetic data acquisition is fast and straightforward and this allows the high-resolution sampling needed for paleoclimatic... More →
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Index / Geophysics, Environmental, Geological, Geotech

Marine Geology & Geophysics Images - NESDIS National Geophysical Data Center
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Index / Geophysics, Environmental, Geological, Geotech

Jeanmarie Ryan reports that muons are elementary particles that are 200 times heavier than electrons. A muon decays to form either an electron or a positron. Muons are created when cosmic rays interact with earth atmosphere, and they inherit the high energy of these cosmic rays. Because of this, they can pass through dense objects, although they slow down while doing so.

In the 1960s, Luis Alvarez came up with the idea of using muon tomography in archeology to study pyramids and ancient ruins. A muon detector is placed within or beneath the pyramid. It measures the energies and traj... More →
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Index / Geophysics, Environmental, Geological, Geotech

Mustafa Saribudak reports that geophysical surveys were conducted at the Williamson Creek site south of Austin, Texas, to determine the structural relation of the Upper Cretaceous volcanic rocks (lava and tuff) with the associated Austin Chalk limestone. At this site, resistivity and magnetic methods were performed over the exposed volcanic and limestone rocks. Geophysical results indicate an excellent correlation between high-magnetic and low-resistivity anomalies. The pseudo-3D resistivity data show a steeply dipping funnel-shaped vent formation over the high-magnetic anomaly (up to 3000 nT)... More →
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Find Out More »  |  Open Resource  |  2017/02/09  |  39 Report Broken   Tell A Friend
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