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Summary

Earthwork pits and banks of a post-medieval or 19th century quarry with associated structure are visible on aerial photographs of 1984 and visualisations derived from lidar data captured in 2013 and 2019. The site is marked as disused on the Second Edition Ordnance Survey map of between 1904-07.

Location

Protected Status: none recorded

Other References/Statuses

• Old DCC SMR Ref: SX46SW/512

Monument Type(s) and Dates

• QUARRY (Post Medieval to XIX - 1540 AD to 1900 AD (Between))
• SPOIL HEAP (Post Medieval to XIX - 1540 AD to 1900 AD (Between))

Full description

1907, Untitled Source (Migrated Record). SDV248290.

'clamoak quarry (disused)' indicated on os 6" (1907) and on os 6" (1970) (os).

Untitled Source (Migrated Record). SDV248291.

Des=os 6"(1907)117nw.

Ordnance Survey, 1904 - 1906, Second Edition Ordnance Survey 25 inch Map (Cartographic). SDV325644.

Clamoak Quarry is depicted here.

Environment Agency, 2000-2019, LiDAR DTM data (1m resolution) EA: Tamar Aerial Survey project area, LIDAR Environment Agency LAST RETURN 19-APR-2019 (Cartographic). SDV363954.

Irregularly shaped earthworks of pits and banks are visible.

Cornwall Archaeological Unit, 2001-2002, Tamar Valley National Mapping Programme Transcriptions and Database Records, OS/ CSL/84/234/203 1984 (Interpretation). SDV346287.

A post-medieval quarry is visible as an earthwork cutting, with an associated structure on aerial photographs of 1984.

NERC, 2013, LiDAR DTM data (1m resolution) Tellus: Tamar Aerial Survey project area, LIDAR Tellus LAST RETURN 01-JUL-2013 to 31-AUG-2013 (Cartographic). SDV363955.

Irregularly shaped earthworks of pits and banks are visible.

Cornwall Archaeological Unit, 2017, South Cornwall Rapid Coastal Zone Assessment Survey Desk-Based Assessment, 147 (Interpretation). SDV360825.

Clamoak Quarry is recorded as disused on the circa 1907 Ordnance Survey map.

Hegarty, C., Houghton, E., Knight, S. and Sims, R., 2020-2021, Tamar/Lidar; A Single Source Approach to Landscape Survey and Socially Distanced Community Archaeology Area 1 (AI&M project) (Interpretation). SDV363945.

Earthworks of irregularly shaped pits and banks are visible on visualisations derived from lidar data captured in 2013 and 2019. The visible earthworks occupy an area of circa 1 hectare of steep east facing slope. They comprise two pits, 38 metres and 50 metres long, with associated banks, between 11-40 metres long.
The earthworks correspond with features labelled as ‘Clamoak Quarry (Disused)’ on the early-20th century Second Edition Ordnance Survey map.
They are therefore interpreted as the quarries and spoil heaps of Clamoak Quarry that had passed out of use by the early-20th century.
An earthwork cutting and a structure have also been recorded in this area from aerial photographs of 1984 as part of the Tamar Valley NMP project. These largely complement, but have also been enhanced by, transcriptions derived from this survey.

Sources / Further Reading

Associated Monuments

Associated Finds: none recorded

Associated Events

• EDV6911 - Tamar Valley National Mapping Programme
• EDV8345 - Tamar/Lidar; A Single Source Approach to Landscape Survey and Socially Distanced Community Archaeology Area 1 (AI&M) (Ref: ACD2380)

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