Earth and Planetary Science Letters

Items from 1 to 11 out of 11 results

article

Contents Volume 234

Earth and Planetary Science Letters > 2005 > 234 > 3-4 > 441-442

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Microseismicity and creeping faults: Hints from modeling the Hayward fault, California (USA)

R. Malservisi, K.P. Furlong, C.R. Gans

Earth and Planetary Science Letters > 2005 > 234 > 3-4 > 421-435

Creeping segments of strike-slip faults are often characterized by high rates of microseismicity on or near the fault. This microseismicity releases only a small fraction of the slip occurring on the fault and the majority of the accumulating elastic strain is released either through aseismic creep or in rare large events. Distinguishing between creeping or non-creeping patches on faults and determining...

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The role of the global carbonate cycle in the regulation and evolution of the Earth system

Andy Ridgwell, Richard E. Zeebe

Earth and Planetary Science Letters > 2005 > 234 > 3-4 > 299-315

We review one of the most ancient of all the global biogeochemical cycles and one which reflects the profound geochemical and biological changes that have occurred as the Earth system has evolved through time—that of calcium carbonate (CaCO ₃ ). In particular, we highlight a Mid-Mesozoic Revolution in the nature and location of carbonate deposition in the marine environment, driven by the...

article

Editorial Board

Earth and Planetary Science Letters > 2005 > 234 > 3-4 > CO2

article

Evidence for large century time-scale changes in solar activity in the past 32 Kyr, based on in-situ cosmogenic 14C in ice at Summit, Greenland

Devendra Lal, A.J.T. Jull, David Pollard, Loic Vacher

Earth and Planetary Science Letters > 2005 > 234 > 3-4 > 335-349

We present results of estimates of cosmic ray flux in Greenland at the Summit (3200 m.a.s.l, 72.6°N, 38.5°W), during the past 32 Kyr. We derive these estimates based on concentrations of in-situ cosmogenic ¹⁴ C produced in ice crystals. Based on the secular equilibrium concentration of in-situ produced ¹⁴ C in quartz in terrestrial rocks, we find that on century time-scales, the cosmic...

article

Author Index Volume 234

Earth and Planetary Science Letters > 2005 > 234 > 3-4 > 437-440

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Spatio-temporal evolution of strain accumulation derived from multi-scale observations of Late Jurassic rifting in the northern North Sea: A critical test of models for lithospheric extension

Patience A. Cowie, John R. Underhill, Mark D. Behn, Jian Lin, more

Earth and Planetary Science Letters > 2005 > 234 > 3-4 > 401-419

We integrate observations of lithospheric extension over a wide range of spatial and temporal scales within the northern North Sea basin and critically review the extent to which existing theories of lithospheric deformation can account for these observations. Data obtained through a prolonged period of hydrocarbon exploration and production has yielded a dense and diverse data set over the entire...

article

Continental insulation, mantle cooling, and the surface area of oceans and continents

A. Lenardic, L.-N. Moresi, A.M. Jellinek, M. Manga

Earth and Planetary Science Letters > 2005 > 234 > 3-4 > 317-333

It is generally assumed that continents, acting as thermal insulation above the convecting mantle, inhibit the Earth's internal heat loss. We present theory, numerical simulations, and laboratory experiments to test the validity of this intuitive and commonly used assumption. A scaling theory is developed to predict heat flow from a convecting mantle partially covered by stable continental lithosphere...

article

Subduction cycling of U, Th, and Pb

Katherine A. Kelley, Terry Plank, Linda Farr, John Ludden, more

Earth and Planetary Science Letters > 2005 > 234 > 3-4 > 369-383

Many studies argue, based partly on Pb isotopic evidence, that recycled, subducted slabs reside in the mantle source of ocean island basalts (OIB) [1–3] [A.W. Hofmann, W.M. White, Mantle plumes from ancient oceanic crust. Earth Planet. Sci. Lett. 57 (1982) 421–436; B.L. Weaver, The origin of ocean island basalt end-member compositions: trace element and isotopic constraints. Earth Planet. Sci. Lett...

article

Why did not the Ontong Java Plateau form subaerially?

Jun Korenaga

Earth and Planetary Science Letters > 2005 > 234 > 3-4 > 385-399

A recent drilling leg on the Ontong Java Plateau and subsequent studies have consolidated the following observation for this gigantic oceanic plateau: The bulk of the plateau was formed at ∼120 Ma in a submarine environment. This rapid construction of a massive igneous body below sea level is impossible to explain with the popular plume head hypothesis. Though the bolide impact hypothesis for oceanic...

article

An impact origin for the foliation of chondrites

J. Gattacceca, P. Rochette, M. Denise, G. Consolmagno, more

Earth and Planetary Science Letters > 2005 > 234 > 3-4 > 351-368

The origin of the foliation of ordinary chondrites is addressed through the study of the anisotropy of magnetic susceptibility (AMS) of these meteorites, based on a database of 295 different meteorites, including 35 achondrites (HED and SNC). AMS is a reliable proxy for preferred orientation in ordinary chondrites. Moreover, the intensity of magnetic anisotropy is constant over a given chondrite....

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234
Year:
2005

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Keywords

ALTERED OCEANIC CRUST (1)
ANISOTROPY OF MAGNETIC SUSCEPTIBILITY (AMS) (1)
BASIN FORMATION (1)
CALCIFIERS (1)
CARBON CYCLE (1)
CARBONATE (1)
CO2 (1)
CONTINENTAL GROWTH (1)
CONTINENT–OCEAN AREA (1)
COSMIC RAY FLUXES (1)
COSMOGENIC 14C IN POLAR ICE (1)
COULOMB STRESS (1)
CREEPING FAULTS (1)
EARTH SYSTEM (1)
FOLIATION (1)
FOSSIL FUEL (1)
GEOMAGNETIC INDICES (1)
HAYWARD FAULT (1)
HEAT FLOW (1)
IMPACTS (1)
ISOSTASY (1)
LEAD (1)
LITHOSPHERIC EXTENSION (1)
MANTLE (1)
MANTLE CONVECTION (1)
METEORITES (1)
MICROSEISMICITY (1)
NORMAL FAULTING (1)
NUMERICAL MODELING (1)
OCEAN CHEMISTRY (1)
OCEANIC PLATEAUS (1)
ORDINARY CHONDRITES (1)
PLATE TECTONICS (1)
RECYCLED OCEANIC CRUST (1)
SEISMIC HAZARD (1)
SOLAR ACTIVITY (1)
STOKES FLOW (1)
STRAIN ACCUMULATION (1)
SUBDUCTION (1)
SUN SPOT NUMBERS (1)
THORIUM (1)
URANIUM (1)
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