Eric Haskins
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View article: Stress Field Interactions Between Overlapping Shield Volcanoes: Borehole Breakout Evidence From the Island of Hawai'i, USA
Stress Field Interactions Between Overlapping Shield Volcanoes: Borehole Breakout Evidence From the Island of Hawai'i, USA Open
Knowledge of the in situ stress state of the Earth's crust plays a key role in understanding geological processes including plate tectonics, earthquakes, slope failure, and igneous emplacement. In this paper, we determine the in situ stres…
View article: Understanding volcanic facies in the subsurface: a combined core, wireline logging and image log data set from the PTA2 and KMA1 boreholes, Big Island, Hawai`i
Understanding volcanic facies in the subsurface: a combined core, wireline logging and image log data set from the PTA2 and KMA1 boreholes, Big Island, Hawai`i Open
To help understand volcanic facies in the subsurface, data sets that enable detailed comparisons between down-hole geophysical data and cored volcanic intervals are critical. However, in many cases, the collection of extended core interval…
View article: Hawaii Play Fairway: Preliminary Core Box Photos, Lanai Island, Hawaii
Hawaii Play Fairway: Preliminary Core Box Photos, Lanai Island, Hawaii Open
Photos of core samples from Lanai Island. During the third phase of the Hawaii Play Fairway project, further exploration involved drilling a groundwater well in Lanai's Palawai Basin and performing more geophysical surveys. The project dee…
View article: Porosity and permeability evolution of vesicular basalt reservoirs with increasing depth: constraints from the Big Island of Hawai'i
Porosity and permeability evolution of vesicular basalt reservoirs with increasing depth: constraints from the Big Island of Hawai'i Open
Volcanic reservoirs are becoming increasingly important in the targeting of petroleum, geothermal and water resources\nglobally. However, key areas of uncertainty in relation to volcanic reservoir properties during burial in\ndifferent set…
View article: Present-day stress state analysis on the Big Island of Hawaíi, USA
Present-day stress state analysis on the Big Island of Hawaíi, USA Open
We analyze and interpret the stress features from a c. 1.5 km deep fully cored borehole (PTA2) on the Big Island of Hawai0i within the Humu0ula saddle region, between the Mauna Kea and Mauna Loa volcanoes. The Big Island of Hawaii comprise…
View article: Induced polarization of volcanic rocks. 2. Influence of pore size and permeability
Induced polarization of volcanic rocks. 2. Influence of pore size and permeability Open
We investigate the relationship between complex conductivity spectra and both permeability and pore mean size and distribution of 22 core samples (21 volcanic rocks and 1 clayey sandstone). The volcanic core samples were extracted from a w…
View article: Core photos, Hole 1 (PTA-2), Humu‘ula Groundwater Research Project
Core photos, Hole 1 (PTA-2), Humu‘ula Groundwater Research Project Open
The site of the first hole was based on results of a geophysical (Magnetotelluric or MT) survey. We drilled into the area where the measured subsurface resistivity is consistent with highest level water saturation – on the southern edge of…