Occurrence of (20 R )- and (20 S )- 8 (14) and 14 5 ( H )-sterenes and the origin of 5 (H),14 (H),17 (H)-steranes in an immature sediment

Occurrence of a Titanium-bearing Jarosite from Hawaii

Occurrence of abnormal S sub q /H/ phase in the equatorial electrojet region

Occurrence of C 22 ---C 25 isoprenoids in Bell Creek crude oil

Occurrence of central peak craters on the Saturnian satellites - Implications for surface structure

Occurrence of central peak craters on the Uranian satellites - Implications for surface structure and comparison with the Jovian and Saturnian systems

Occurrence of fission tracks near inclusions in the olivine of the Allende chondrite

Occurrence of four stereoisomeric tricyclic terpane series in immature Brazilian shales

Occurrence of Li, B, Cu and Zn in some Egyptian Nile sediments

Occurrence of noble metals in aluminum- and chromium-rich objects in ordinary chondrites and of baddeleyite ZrO2 in a chromite inclusion

Occurrence of novel tetracyclic geochemical markers: 8,14-seco-hopanes in a Nigerian crude oil

Occurrence of Olivine in a Type I Carbonaceous Meteorite

Occurrence of oxidized components in Qingzhen enstatite chondrite

Occurrence of polycadinene in fossil and recent resins

Occurrence of quasi-periodic slow-slip off the east coast of the Boso peninsula, Central Japan

Ocean acoustic tomography using turning-point filters

Ocean circulation generated magnetic signals

Ocean contribution to co-seismic crustal deformation and geoid anomalies: Application to the 2004 December 26 Sumatra-Andaman earthquake

Ocean Hemisphere Geomagnetic Network: its instrumental design and perspective for long-term geomagnetic observations in the Pacific

Ocean particle chemistry: The fractionation of rare earth elements between suspended particles and seawater