Sample ID: PHNX03MV - 127D Sample Type: Dredge

Cruise information: PHNX03MV Start End Cruise dates 1992-08-18 1992-09-08 Cruise ports Manzanillo, Mexico San Diego, California SIO cruise id PHNX03MV Cruise name PHOENIX LEG 3 Chief scientist Lonsdale, Peter Cruise narrative SeaBeam 2000 bathymetry and magnetic anomaly data will be used to measure the offset- and reconstruct the history of, the Siquerios Fracture Zone Cruise ngdc number 15020139 Proposal title Structure and Geomorphology of the Siquerios Fracture Zone

Sample information PHNX03MV Start End Date 1992-08-25 1992-08-25 Latitude 25.448 25.5 Longitude -114.567 -114.4 Water depth (m) 1741 1537 SIO code PHNX03MV-127D SIO sample number 127D IGSN number SIO000852 Ship name Melville Navigation type GPS- TRIMBLE MOD. 4000AX Sampling tool type dredge Province ridge crest Crustal age model (mybp) 8.58633

Sub-sample information Sub-sample number 1 Siocode PHNX03MV-127D Depth top (cm) Depth bottom (cm) Lithology Texture Composition Geological age Weight Rock lithology igneous (extrusive/volcanic) - basalt Rock min plagioclase (pg) Weathering weathering - moderate Remark Munsell code Exhaust code Comments 75LBS. - MN COATED VESICULAR BASALT.