Geologically current plate motions

C DeMets, RG Gordon, DF Argus - Geophysical journal …, 2010 - academic.oup.com
We describe best-fitting angular velocities and MORVEL, a new closure-enforced set of
angular velocities for the geologically current motions of 25 tectonic plates that collectively …

Central role of detachment faults in accretion of slow-spreading oceanic lithosphere

J Escartín, DK Smith, J Cann, H Schouten… - Nature, 2008 - nature.com
The formation of oceanic detachment faults is well established from inactive, corrugated fault
planes exposed on sea floor formed along ridges spreading at less than 80 km Myr–1 (refs) …

Sulfide geochronology along the northern equatorial Mid-Atlantic Ridge

G Cherkashov, V Kuznetsov, K Kuksa, E Tabuns… - Ore Geology …, 2017 - Elsevier
Hydrothermal processes and seafloor massive sulfide (SMS) deposits have different
characteristics at fast and slow spreading mid-ocean ridges. One such parameter is the age …

Unraveling the sequence of serpentinization reactions: petrography, mineral chemistry, and petrophysics of serpentinites from MAR 15 N (ODP Leg 209, Site 1274)

W Bach, H Paulick, CJ Garrido… - Geophysical …, 2006 - Wiley Online Library
The results of detailed textural, mineral chemical, and petrophysical studies shed new light
on the poorly constrained fluid‐rock reaction pathways during retrograde serpentinization at …

Geophysical signatures of oceanic core complexes

DK Blackman, JP Canales… - Geophysical Journal …, 2009 - academic.oup.com
Oceanic core complexes (OCCs) provide access to intrusive and ultramafic sections of
young lithosphere and their structure and evolution contain clues about how the balance …

Life cycle of oceanic core complexes

CJ MacLeod, RC Searle, BJ Murton, JF Casey… - Earth and Planetary …, 2009 - Elsevier
Oceanic core complexes are the uplifted footwalls of very-large-offset low-angle normal
faults that exhume lower crust and mantle rocks onto the seafloor at slow-spreading ridges …

Seawater‐peridotite interactions: First insights from ODP Leg 209, MAR 15 N

W Bach, CJ Garrido, H Paulick… - Geochemistry …, 2004 - Wiley Online Library
We present first results of a petrographic study of hydrothermally altered peridotites drilled
during Ocean Drilling Program (ODP) Leg 209 in the 15° 20′ N fracture Zone area on the …

On the occurrence, trace element geochemistry, and crystallization history of zircon from in situ ocean lithosphere

CB Grimes, BE John, MJ Cheadle, FK Mazdab… - … to Mineralogy and …, 2009 - Springer
We characterize the textural and geochemical features of ocean crustal zircon recovered
from plagiogranite, evolved gabbro, and metamorphosed ultramafic host-rocks collected …

Role of melt supply in oceanic detachment faulting and formation of megamullions

BE Tucholke, MD Behn, WR Buck, J Lin - Geology, 2008 - pubs.geoscienceworld.org
Normal faults are ubiquitous on mid-ocean ridges and are expected to develop increasing
offset with reduced spreading rate as the proportion of tectonic extension increases …

Oceanic core complexes and crustal accretion at slow-spreading ridges

B Ildefonse, DK Blackman, BE John, Y Ohara… - …, 2007 - pubs.geoscienceworld.org
Oceanic core complexes expose gabbroic rocks on the seafloor via detachment faulting,
often associated with serpentinized peridotite. The thickness of these serpentinite units is …