ICDP Proposal Abstract
© ICDP, the International Continental Scientific Drilling Program, 1996-2023 - www.icdp-online.org
Hawai'i Scientific Drilling Project
Pacific, U.S.A., Hawai'i, Big Island, Hilo
New
Preliminary-proposal: ICDP-1996/18
For the funding-period starting 1996-01-15
For the funding-period starting 1996-01-15
Abstract
This proposal covers a 5 year period to (1) core drill continuously ~4.5 km into the flank of the
Mauna Kea volcano in the vicinity of Hilo, Hawaii; (2) perform a suite of downhole logs and
experiments to characterize the hole, and (3) describe and analyze the recovered samples with
a wide array of techniques. The major focus of the proposed project is the recovery and
characterization of a continuous set of samples. These samples will provide a unique opportunity
to study the long-term evolution of a major, oceanic volcano and to test aspects of the mantle
plume hypothesis. When properly logged and curated, the recovered suite of rocks can serve as
a valuable resource for future generations.
The proposed drilling plan consits of three phases with target depths of ~1700, 3400, and
~4500m. Each phase is expectes to span a period of two years during which about 6 months will
be devoted to drilling and coring; the balance of the time will be spent conducting downhole
research and analyses of the recovered core samples. The downhole logging program will be
conducted at intervals through each phase of the drilling program. This will be followed by
perforation of the casing at formations of interest (as identified in the geophysical logging
program) and sampling and analysis of fluids, as well as hydrologic analyses of the formation.
The syn- and post-drilling analytical program for each stage will be modeled after the program
used in the pilot project. The core will be characterized and logged on-site so that sampling can
be done during and immediately after drilling. A subset of identified flows will be described
petrographically; analyzed for major, minor, and trace element composition; analyzed for
radiogenic and stable isotopic ratios; dated radiometrically; and characterized for paleomagnetic
properties (inclination and field intensity). Water samples collected downhole will be similarly
analyzed and dated. Cores will be shipped to the mainland for curation over the lifetime of the
project to make the cores more accessible to interested coinvestigators and other scientists.
Scientific Objectives
- (No objectives found in database. Record is incomplete and needs some manual curation)
Keywords
Alteration,
Ar,
Basalts,
Calcium,
Clay Minerals,
Cooling History,
Deep Biosphere,
DOSECC,
Drilling,
Geochemistry,
Geophysics,
Glass,
Hawaii,
Hf Isotopes,
High Resolution,
HSDP,
ICDP-1996/18,
Isotopes,
Major Elements,
Mantle Plume,
Mauna Kea,
Metamorphism,
Microorganism,
Microprobe,
Ne,
Neodymium,
Noble Gases,
Oxygen Isotope Analyses,
Palagonites,
Palagonitization,
Paleointensity,
Pb-Isotopes,
Periodicity,
Petrology,
Plate Tectonics,
Recycling,
Smectite,
Strontium,
Submarine Basaltic Glass,
Sulphur,
Thermal Regimes,
U.s.a.,
Vitrophyres,
Volcanic Systems,
Volcanics,
Volcano,
Volcanology,
Zeolites
Location
Latitude:
19.74
,
Longitude:
-155.05
© ICDP, the International Continental Scientific Drilling Program, 1996-2023