Anomalous preservation of pure methane hydrate at 1 atm

LA Stern, S Circone, SH Kirby… - The Journal of Physical …, 2001 - ACS Publications
Direct measurement of decomposition rates of pure, polycrystalline methane hydrate reveals
a thermal regime where methane hydrate metastably “preserves” in bulk by as much as 75 …

Mantle phase changes and deep-earthquake faulting in subducting lithosphere

SH Kirby, WB Durham, LA Stern - Science, 1991 - science.org
Inclined zones of earthquakes are the primary expression of lithosphere subduction. A
distinct deep population of subduction-zone earthquakes occurs at depths of 350 to 690 …

Peculiarities of methane clathrate hydrate formation and solid-state deformation, including possible superheating of water ice

LA Stern, SH Kirby, WB Durham - Science, 1996 - science.org
Slow, constant-volume heating of water ice plus methane gas mixtures forms methane clathrate
hydrate by a progressive reaction that occurs at the nascent ice/liquid water interface. As …

The strength and rheology of methane clathrate hydrate

WB Durham, SH Kirby, LA Stern… - Journal of Geophysical …, 2003 - Wiley Online Library
Methane clathrate hydrate (structure I) is found to be very strong, based on laboratory
triaxial deformation experiments we have carried out on samples of synthetic, high‐purity, …

CO2 Hydrate:  Synthesis, Composition, Structure, Dissociation Behavior, and a Comparison to Structure I CH4 Hydrate

S Circone, LA Stern, SH Kirby… - The Journal of …, 2003 - ACS Publications
Structure I (sI) carbon dioxide (CO 2 ) hydrate exhibits markedly different dissociation behavior
from sI methane (CH 4 ) hydrate in experiments in which equilibrated samples at 0.1 MPa …

Temperature, pressure, and compositional effects on anomalous or" self" preservation of gas hydrates

LA Stern, S Circone, SH Kirby… - Canadian Journal of …, 2003 - cdnsciencepub.com
We previously reported on a thermal regime where pure, polycrystalline methane hydrate is
preserved metastably in bulk at up to 75 K above its nominal temperature stability limit of …

Simultaneous determination of thermal conductivity, thermal diffusivity and specific heat in sI methane hydrate

WF Waite, LA Stern, SH Kirby… - Geophysical journal …, 2007 - academic.oup.com
Thermal conductivity, thermal diffusivity and specific heat of sI methane hydrate were
measured as functions of temperature and pressure using a needle probe technique. The …

Transformations in methane hydrates

…, RJ Hemley, AF Goncharov, LA Stern… - Proceedings of the …, 2000 - National Acad Sciences
Detailed study of pure methane hydrate in a diamond cell with in situ optical, Raman, and x-ray
microprobe techniques reveals two previously unknown structures, structure II and …

Direct measurement of methane hydrate composition along the hydrate equilibrium boundary

S Circone, SH Kirby, LA Stern - The Journal of Physical Chemistry …, 2005 - ACS Publications
The composition of methane hydrate, namely n w for CH 4 ·n w H 2 O, was directly measured
along the hydrate equilibrium boundary under conditions of excess methane gas. Pressure …

Dissolution rates of pure methane hydrate and carbon-dioxide hydrate in undersaturated seawater at 1000-m depth

G Rehder, SH Kirby, WB Durham, LA Stern… - … et Cosmochimica Acta, 2004 - Elsevier
To help constrain models involving the chemical stability and lifetime of gas clathrate hydrates
exposed at the seafloor, dissolution rates of pure methane and carbon-dioxide hydrates …