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Sea-Floor Character and Sedimentary Processes of Great Round Shoal Channel, Offshore Massachusetts


Skip past contents informationTitle | Introduction | Setting | Methods | Overview | Discussion | Interpretation | Data Catalog | Acknowledgments | References | Figures | Bottom Photographs | Sediment Data | Contacts


Bottom Photographs

Stations 1-18

Station  /   Lithologic Description

GRS-1  /   Rippled medium sand with sand waves, shell debris and gravel in troughs, loose seaweed and small crabs.
Images of bottom photo.
PICT0011
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PICT0012
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PICT0013
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PICT0014



GRS-2  /   Rippled medium sand with numerous yellow sponges, and attached seaweed, shell debris, and a skate.
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PICT0015
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PICT0016
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PICT0017
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PICT0018



GRS-4  /   Rippled sand with scattered boulders and gravel patches. Skate, seaweed, sponges and abundant shell debris are present.
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PICT0019
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PICT0020
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PICT0021
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PICT0022



GRS-5   /   Rippled sand and sand waves; seaweed and shell hash concentrated in the troughs and sand dollars concentrated on the ripple crests.
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PICT0137
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PICT0032
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PICT0033



  


GRS-6  /   Rippled sand with seaweed, gravel patches, and abundant shell debris.
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PICT0028
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PICT0029
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PICT0030



  


GRS-8   /   Rippled sand with seaweed, large gravel patches, and some shell debris.
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PICT0032
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PICT0033
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PICT0034
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PICT0035


GRS-9  /   Rippled sand with sand waves and patchy shell debris. Shell debris concentrated in wave troughs.
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PICT0036
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PICT0037
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PICT0038



  
GRS-10   /  Coarse, well-sorted, rippled sand with small sand waves (megaripples) and shell debris concentrated in wave troughs.
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PICT0040
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PICT0041
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PICT0042



  
GRS-11  /   Megaripples with sandy rippled crests and shell hash, seaweed, and sand dollars..
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PICT0135
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PICT0136
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PICT0137



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PICT0138



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PICT0139
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PICT0140
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PICT0141
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PICT0142



GRS-12   /   Rippled and smooth sand with abundant shell debris, attached seaweed, and pea gravel.
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PICT0043
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PICT0044
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PICT0045
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PICT0046
GRS-13   /   Coarse sand with small ripples. Scattered shell debris, loose seaweed and sand dollars are present.
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PICT0047
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PICT0048
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PICT0049



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PICT0050



GRS-14   /   Rippled sand and megaripples with broad flat areas. Shell debris and pea gravel are concentrated in the bedform troughs.
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PICT0130
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PICT0131
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PICT0132
  
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PICT0133
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PICT0134
     
GRS-15   /   Current-rippled sand. Shell debris and barnacle-covered gravel are concentrated in bedform troughs; sand dollars and attached hydrozoans and seaweed are present.
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PICT0052
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PICT0053
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PICT0054
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PICT0055



GRS-16   /   Rippled sand with scattered sand dollars, shell debris, and loose seaweed. Moon snail casings are present.
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PICT0125
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PICT0126
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PICT0127
  
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PICT0128
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PICT0129
     
GRS-17   /   Rippled coarse sand and megaripples. Loose seaweed, shell hash, and dense patches of sand dollars are present.
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PICT0122
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PICT0123
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PICT0124



  
GRS-18  /   Current rippled, coarse, well-sorted sand with traces of pea gravel and shell debris.
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PICT0056
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PICT0057
Images of bottom photo.
PICT0058



  

Skip past contents informationTitle | Introduction | Setting | Methods | Overview | Discussion | Interpretation | Data Catalog | Acknowledgments | References | Figures | Bottom Photographs | Sediment Data | Contacts

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