World Data Service for Geophysics

Index to Marine and Lacustrine Geological Samples (IMLGS)
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Repository: SOEST [Contact the Curator]
Ship: Kana Keoki
Cruise: KK840824-02
Sample: KK840824 STA77 RD47
Device: dredge, rock
Latitude: 19.47883
Longitude: -157.04967
Water Depth(m): 2750 to 2500
Date: 19840829
Storage: room temperature, dry
Province: seamount or seamount province

Jaeggar Seamount, NW Slope
1 :   
Comments: 300 lbs: 3 Dredge Bags 1/2 - 1/3 full with altered palagonite tuff, hyloclastic breccias, and pillow basalts, 1 large slab, 100 x 40 x 15 cm, altered palagonite tuff and hyloclastic breccia, some calcareos patches and at least two patchy Mn-crust layers reaching more than 1 cm thickness. Mn crust ranged form stains < 1 mm to good Mn-curst > 4 cm; median 2-5 mm. Dredge Bag 1: assorted altered palagonite tuffs and hyloclastic breccias cemented with mn-curst and/or calcite. Bags 2+3: altered to highly altered, at one time olivine and plagioclse-microphyric vesicular pillow fragments. Depth Range: 2500 - 2750 m.