Woods Hole Science Center
Sea-Floor Character and Sedimentary Processes of Great Round Shoal Channel, Offshore Massachusetts
Title | Introduction | Setting | Methods | Overview | Discussion | Interpretation | Data Catalog | Acknowledgments | References | Figures | Bottom Photographs | Sediment Data | Contacts
GRS-19 / Current rippled coarse well-sorted sand with scattered shell debris concentrated in ripple troughs. | |||||
PICT0059 | PICT0060 | PICT0061 | |||
GRS-21 / Current rippled medium to coarse moderately well-sorted sand with megaripples and abundant sand dollars; shark and traces of loose seaweed are present. | |||||
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GRS-22 / Rippled sand with sand waves and megaripples. Scattered sand dollars are present, shell debris is concentrated in bedform. | |||||
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GRS-24 / Rippled clean well-sorted sand with traces of shell debris. Moon snail casings and sand dollars are present. | |||||
PICT0064 | PICT0064 | PICT0065 | PICT0066 | ||
GRS-25 / Rippled clean medium-coarse sand and sand waves with abundant sand dollars. A few skate, hermit crabs, and barnacle-covered pieces of gravel are present. | |||||
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GRS-26 / Rippled clean medium-coarse sand with sand waves. Sand dollars are concentrated on bedform crests; shell debris is concentrated in the troughs. | |||||
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GRS-27 / Rippled sand with sand waves and megaripples and scattered shell debris. | |||||
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GRS-28 / Rippled coarse sand with scattered and patchy shell debris. Loose drifting seaweed and a skate are present. | |||||
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GRS-31 / Rippled sand with megaripples. Moon snail casings and loose organic debris and shell hash are concentrated in the ripple troughs. | |||||
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GRS-32 / Boulders covered by dense mussel beds. Starfish and crabs are abundant; sharks and sponges are present. | |||||
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GRS-34 / Dense patches of mussels. Faintly rippled patches of sand are present between the patches of mussels; uneven sea floor may be sand waves. Sponges, skate, and abundant shell debris are present. | |||||
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GRS-35 / Rippled and megarippled gravelly sand. Gravel is often covered by barnacles and seaweed; dogfish, skate, sand dollars, mussel shells, snail, and pink coralline algae are present. | |||||
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GRS-36 / Rippled and megarippled coarse sand and fine gravel with scattered sand dollars. Shell debris (quohog shells) is scattered and patchy, but mostly concentrated in the troughs of bedforms. | |||||
PICT0079 | PICT0080 | PICT0081 | |||
GRS-37 / Coarse sand with some gravel and shell debris. Scattered cobbles are covered with barnacles and seaweed. Sand dollars and sea robin are present. | |||||
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GRS-38 / Coarse sand with abundant sand dollars and some gravel and shell debris. Scattered pieces of gravel are covered with barnacles and seaweed. | |||||
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GRS-39 / Rippled sand with mussel shells, attached seaweed, and some gravel. | |||||
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PICT0090 |
Title | Introduction | Setting | Methods | Overview | Discussion | Interpretation | Data Catalog | Acknowledgments | References | Figures | Bottom Photographs | Sediment Data | Contacts