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Event details

Voyage: IN2020_V01       [details]
When: 2020-01-21 01:54:09 UTC
Log: Geology_Rocks_in2020_v01
Equipment: Not specified
Position: Latitude: -52.8273 Longitude: 81.153 Position from underway logging
Sample number:IN2020_V01_D01_020
Dredge:D01
Sample Number Assigned:Yes
Sample photographed (include scale and sample number):Yes IN2020_V01_D01_020
Number of photos:5
Sample sawn:Yes
Sticker:yes
Colour:grey-dark
Composition:intermediate
Alteration:Mn crust | altered
Phenocryst mineralogy:feldspar | quartz | other
Phenocryst abundance (%):70
Phenocryst size range (mm):5
Groundmass:crystalline
Mn crust thickness (mm):5
Vesicle abundance:absent
Sample bagged:yes
Bucket number:MQU1 (D01 3 of 8)
Rock name:Meta-igneous
Original Sample Dimensions:23.2x18.5x15.1 cm
Comments:Semi altered. Weak schistose foliation; compositional layering; mica present.
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