An Inexpensive, Diver-Assisted Percussion Coring Device

Cawley, Jon C.; Parker, Barry

doi:10.1306/2dc4096f-0e47-11d7-8643000102c1865d

Cited by 5 publications

(5 citation statements)

References 6 publications

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“…To combat rough, black water conditions in West Africa, a diver‐assisted coring device designed by lacustrine geologists (Cawley & Parker, ) was modified for use in marine environments (see Horlings () for a complete description of the corer and its operations) (Figure ). The beauty of this coring device lies in its simplicity.…”

Section: Methodsmentioning

confidence: 99%

Archaeological Microsampling by Means of Sediment Coring at Submerged Sites

Horlings

2013

Geoarchaeology

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This paper discusses a microsampling technique using a low‐technology, diver‐assisted percussion coring device that was developed for minimally invasive testing of underwater archaeological sites in turbulent environments, specifically in West Africa. The simple and cost‐effective technique is useful across a range of scales including shipwreck sites and larger regions, providing insights into the micro‐ and macro aspects of submerged sites, including site formation processes. A brief case study of its use on a historical shipwreck site is presented that highlights its efficacy as a data‐collection technique used independently or in tandem with more traditional investigative methods such as excavation.

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Section: Methodsmentioning

confidence: 99%

Archaeological Microsampling by Means of Sediment Coring at Submerged Sites

Horlings

2013

Geoarchaeology

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“…The deeper northern end and a transitional area between the two contain finer‐grained Holocene sediments representing the past 6000 to 10 000 years (Cawley et al, 2001b, Marland, ). These deposits are generally one meter thick above a layer of gravel and shale chips that refuses hand‐driven coring (Cawley and Parker, ), although this layer could be underlain by an order of magnitude greater thickness of older deposits. This lake bottom plain contains a number of steep‐sided pits that form an arc along the base of the northern slope; the largest ones are roughly aligned with Pond Drain (Figure ).…”

Section: Previous Workmentioning

confidence: 99%

Subsurface erosion, scarp retreat, and sedimentation at Mountain Lake, Virginia, USA: groundwater geomorphology in a flow‐through lake with subsurface drainage

Cawley

Irwin

2018

Earth Surf Processes Landf

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The complete natural drainage in 2008, 2011, and 2012 of Mountain Lake in Giles County, Virginia, allowed detailed observations of the only natural lake basin in the southern Appalachian Mountains. Here we use these observations to support geomorphic analysis and develop a model of basin evolution, which may advance the understanding of rare flow‐through lakes with subsurface drainage elsewhere. Key features included (a) an angle‐of‐repose slope with a smoothly concave planform across the entire 260 m width of the north end of the basin, (b) an arc of steep‐sided depressions along the deep northern margin of the basin floor, and (c) an abrupt transition between colluvial and finer‐grained sedimentary deposits on the floor. Our geomorphic analysis suggests that subsurface erosion has enabled long‐term northward scarp retreat in the basin by removing water and sediment. Mountain Lake formed on the northern limb of a breached anticline along the Eastern Continental Divide, where strong‐over‐weak stratigraphy and a small watershed have enabled the basin to evolve generally as follows. (1) Pond Drain, a first‐order tributary of the New River, incised north‐dipping sandstones and underlying shales on the northern limb of the anticline. The valley floor subsequently accumulated meters to tens of meters of mostly late Pleistocene colluvial fill. (2) Subsurface drainage developed likely along the contact between the sandstones and shales, facilitated by pre‐existing fractures. (3) Ongoing subsurface erosion has progressively undermined the sandstone, causing scarp retreat along the northern margin of the basin while a surface stream intermittently incised the shallow southern end. Sedimentary deposits indicate that only the deeper northern portion of the basin is usually flooded under Holocene conditions. Our basin evolution model suggests slow development of the basin over hundreds of thousands of years rather than sudden damming by a catastrophic landslide. Copyright © 2018 John Wiley & Sons, Ltd.

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“…today (Anuskiewicz 1998:224;Ash 2005;Breen and Lane 2003;Chapman and Chapman 2005;Cooney 2003;Dellino and Endere 2001:219;Dellino-Musgrave 2006:27;Flatman et al 2005;Lenihan and Murphy 1998:237;Parker 2001;Van de Noort 2004;Westerdahl 1992). The perspective espoused in this dissertation is that of looking from the sea onto land and all that that entails.…”

Section: The Setting/environment Of Formation Processesmentioning

confidence: 99%

“…All of these considerations make up parts of the maritime landscape (i.e. Cooney 2003;Flatman and Staniforth 2006;Parker 2001;Westerdahl 1992), and provide the backdrop and a framework within which to understand submerged historical sites in the region.…”

Section: The Setting/environment Of Formation Processesmentioning

confidence: 99%

“…Any contact that they do have with it must be on the terms of the sea. 50 See Ashmore and Knapp 1999;Aberg and Lewis 2000;Bruno and Thomas 2008;Countryside Council for Wales et al 2001;David and Thomas 2008;Dellino-Muscgrave 2006;Gale 1993;Hirsch 1995;Johnson 2007a;Martin 2000;McCarthy 2008;McNiven 2008;Oxley 2000;Parker 2001;Preucel and Meskell 2009;Rössler 2009;Tomalin 2000;Van de Noort 2003;and Wandsnider 1998 for just a snapshot into this literature, as well as some perspectives on the maritime cultural landscape and seascape. 51 Landscape archaeology is, therefore, "an interpretive framework that specifically addresses the relationships between past human behaviors and the physical (or social) space in which they occur" (Branton 2009:53; see also Gosden and Head 1994:116). in Atlantic Africa "addresses the social creation of the landscape within the complexities of the localities that were nested within global systems of distribution and exchange…"…”

Section: A Theatre Of Maritime Historymentioning

confidence: 99%

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Of His Bones are Coral Made: Submerged Cultural Resources, Site Formation Processes, and Multiple Scales of Interpretation in Coastal Ghana

Horlings¹

2012

Azania: Archaeological Research in Africa

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Integrating theoretical and methodological approaches to formation processes across a range of scales from micro-artifact to region and from historical to environmental processes, this work explores the archaeology of the event related to submerged archaeological sites within the Elmina seascape of coastal Ghana. Building on and intersecting with the work of other scholars, this research is a unique approach to the investigation of submerged cultural remains related to historical maritime trade. Remote sensing surveys in 2009 led to the identification of three sites related to maritime trade, adding significantly to the two previously known sites, which include a circa 1650 shipwreck, referred to as the Elmina Wreck, and the remains of an early 18 th century vessel in the Benya Lagoon. Drawing on remote sensing survey data, diver investigations, and the micro-sampling sediment coring technique developed over the course of field research, the historic and physical environment of coastal Elmina is studied as a means of interpreting the unique events surrounding a specific shipwreck, and to relate formation processes across the region to this and other sites. While archaeological evidence is limited, the complex study of formation processes, including the historical contexts of trade and the physical environmental has provided insights into events and practices of trade, destruction and preservation of submerged sites, and has provided a foundation for continued holistic investigation and maritime archaeological studies in the region. The methodological and theoretical approaches to formation processes form a model applicable to maritime research across the globe.

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An Inexpensive, Diver-Assisted Percussion Coring Device

Cited by 5 publications

References 6 publications

Archaeological Microsampling by Means of Sediment Coring at Submerged Sites

Archaeological Microsampling by Means of Sediment Coring at Submerged Sites

Subsurface erosion, scarp retreat, and sedimentation at Mountain Lake, Virginia, USA: groundwater geomorphology in a flow‐through lake with subsurface drainage

Of His Bones are Coral Made: Submerged Cultural Resources, Site Formation Processes, and Multiple Scales of Interpretation in Coastal Ghana

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