Core Data from the Deep Sea Drilling Project

Leg : 11    Top/Bottom Interval(mm): 1160/   0  Describer: Lancelot, Y.
Hole: 105   Top of Core Depth(m)   :   621.00   Rock Type: IGNEOUS
Core:  40   Sample Midpoint(m)     :   622.16   Sect/Pc #:  1/

ROCK = BASALT
       SHIPBOARD DESCRIPTION*

Groundmass - FELDSPAR
             Morphology: SHEAVES
             FINE,FRESH IN LOWER PART;

             GLASS
             ALTERED TO IRON OXIDE;

             PYROXENE

Alteration - PALAGONITE
             SPHERULITIC;

             CALCITE
             Replacing: PYX
             ALSO VEIN FILLING;

             CLAY MINERALS
             Replacing: PYX




Leg : 11    Top/Bottom Interval(mm): 1210/   0  Describer: Lancelot, Y.
Hole: 105   Top of Core Depth(m)   :   621.00   Rock Type: IGNEOUS
Core:  40   Sample Midpoint(m)     :   622.21   Sect/Pc #:  1/

ROCK = BASALT
       SHIPBOARD DESCRIPTION*

Groundmass - PLAGIOCLASE
             Morphology: SHEAF-LIKE BUNDLES,THIN,FINE

             GLASS

Alteration - FERROUS OXIDE

             CALCITE
             Location: VEINS




Leg : 11    Top/Bottom Interval(mm): 1470/1500  Describer: Hathaway, J.C.
Hole: 105   Top of Core Depth(m)   :   624.00   Rock Type: IGNEOUS
Core:  41   Sample Midpoint(m)     :   626.99   Sect/Pc #:  2/

ROCK = BASALT
       SHIPBOARD DESCRIPTION*

Phenocrysts- PLAGIOCLASE
             Morphology: COARSE LATHS
             COARSE LATHS IN MATRIX OF FINE FELD BUNDLES,
             COARSE LATHS HAVE SQUARE HOLLOW ENDS, HOLLOWS
             TAPERING TO SOLID PLAG AT LATH MIDDLE*

Groundmass - FELDSPAR
             Morphology: BUNDLES

             PYROXENE

             GLASS

             OLIVINE                   ( RARE%)

Alteration - CLAY MINERALS
             Replacing: PYX,GLASS

             FERROUS OXIDE
             ALTERED ZONES PARALLELING CALCITE VEINS SHOW MUCH
             FE.OX

             CALCITE
             Location: VEINS




Leg : 11    Top/Bottom Interval(mm): 1500/   0  Describer: Paulus, F.J.
Hole: 105   Top of Core Depth(m)   :   630.00   Rock Type: IGNEOUS
Core:  43   Sample Midpoint(m)     :   633.00   Sect/Pc #:  2/

ROCK = BASALT




Leg : 11    Top/Bottom Interval(mm): 1500/   0  Describer: Paulus, F.J.
Hole: 105   Top of Core Depth(m)   :   630.00   Rock Type: IGNEOUS
Core:  43   Sample Midpoint(m)     :   633.00   Sect/Pc #:  2/
       SHIPBOARD DESCRIPTION*

Groundmass - FELDSPAR
             Morphology: FINE,SHEAVES
             ALTERED TO FE.OX, CLAY.MINS;

             PYROXENE
             ALTERED TO CLAY;

             OLIVINE                   (    0%)

Alteration - FERROUS OXIDE
             Replacing: FELD

             CLAY
             Replacing: FELD,PYX
             ALSO FILLING SPHERULES;

             CALCITE
             Location: SPHERULES

Introduction

Cite as: Deep Sea Drilling Project (1989): Archive of Core and Site/Hole Data and Photographs from the Deep Sea Drilling Project (DSDP). National Geophysical Data Center, NOAA. doi:10.7289/V54M92G2 [access date]

These Web pages are from the Core Data from the Deep Sea Drilling Project Legs 1-96 CD-ROM produced in 1989 and modified in 2000 by the U.S. Department of Commerce, National Oceanic and Atmospheric Administration, National Environmental Satellite, Data, and Information Service, National Geophysical Data Center (now part of the National Centers for Environmental Information), and collocated World Data Center for Marine Geology and Geophysics, Boulder (now part of the World Data Service for Geophysics). Data were compiled in cooperation with the U.S. Science Support Program, of the Joint Oceanographic Institutions, Inc. (now the Consortium for Ocean Leadership), and the U.S. National Science Foundation.

Please see NOAA's privacy and disclaimer information. Send questions or comments to mgg.info@noaa.gov.

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