Rock Core Log Report: Well 10, Lānaʻi Drilling Project

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2019-07-03

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University of Hawaii at Manoa
Hawaii Play Fairway Project
Hawaii Groundwater and Geothermal Resources Center

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Rock Core Log Report: University of Hawaiʻi Lānaʻi Drilling Project

Abstract

This unique project seeks to explore the geologic structures that exist in the caldera region of Hawaiian volcanoes; how those structures influence groundwater storage and flow; and how the magmatic heat from Hawaiian shield volcanoes cools over time.

Description

Active Drilling Date(s): 06/02/2019 to 07/03/2019 / Starting Depth: 1480 ft (451 m) / Ending Depth: 3467 ft (1057 m) / Ground Surface Elevation: ~1240 ft (378 m) amsl / Drilling Method: Wireline Coring / Drill Rig Type: Boart Longyear LF-230 truck-mounted rig / Drill Bit Size/Type: HQ diamond-impregnated coring bits / Drilling Contractor: Idea Drilling / Groundwater Level: ~1020 ft (311 m) below the surface / Borehole Completion: Open for sampling

Keywords

core logging, Hawaii--Lanai, Hawaii Play Fairway, Play Fairway Analysis, Groundwater, core samples, Drill cores -- Hawaii -- Lanai Island, Volcanism -- Hawaii -- Lanai island, Hawaii -- Lanai Island

Citation

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745 pages

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Geographic Location

Lanai Island, Hawaii
Borehole Location: N20°45'55.73”, W156°66'09.77”; next to solar farm

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