Carnon River

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Coordinates: 50°12′28″N 5°04′59″W / 50.2078°N 5.0830°W / 50.2078; -5.0830
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Carnon River
Carnon River near Point Mills
Carnon River is located in Cornwall
Carnon River
Location within Cornwall
Location
CountryEngland
CountyCornwall
Physical characteristics
Source 
 • locationChacewater, Cornwall
 • coordinates50°15′45″N 5°09′30″W / 50.262394°N 5.158347°W / 50.262394; -5.158347
MouthRestronguet Creek
 • location
Cornwall
 • coordinates
50°12′28″N 5°04′59″W / 50.2078°N 5.0830°W / 50.2078; -5.0830
Basin features
Tributaries 
 • left50°12′51″N 5°05′55″W / 50.214184°N 5.098663°W / 50.214184; -5.098663, 50°12′51″N 5°05′54″W / 50.214208°N 5.098415°W / 50.214208; -5.098415, 50°12′51″N 5°05′54″W / 50.214206°N 5.098334°W / 50.214206; -5.098334, 50°12′45″N 5°05′54″W / 50.212388°N 5.098277°W / 50.212388; -5.098277, 50°12′20″N 5°05′02″W / 50.205645°N 5.083766°W / 50.205645; -5.083766
 • right50°14′14″N 5°08′31″W / 50.237319°N 5.141862°W / 50.237319; -5.141862, 50°13′49″N 5°07′35″W / 50.230265°N 5.126254°W / 50.230265; -5.126254, Trewenda Water 50°12′54″N 5°06′04″W / 50.215071°N 5.101136°W / 50.215071; -5.101136, River Kennall 50°12′25″N 5°05′29″W / 50.206988°N 5.091408°W / 50.206988; -5.091408, Tallack's Creek 50°12′38″N 5°04′59″W / 50.210599°N 5.083176°W / 50.210599; -5.083176

The Carnon River is a heavily polluted river in Cornwall, England.[1] It starts in Chacewater.[2] Trewedna Water[3] and River Kennall[4] flow into the Carnon before it merges with Tallack's Creek to become Restronguet Creek,[5] which eventually flows into the English Channel at the mouth of Carrick Roads.[6]

The Nebra sky disc, a gold-decorated bronze disc found in Germany and dated to the Bronze Age, contains both gold and tin from the Carnon valley.[7][8]

In 1992 the river was hit by a major pollution incident, when over 45 million litres of contaminated water from the closed Wheal Jane mine was released by the collapse of an adit, colouring the river water red. A treatment works has since been installed at Wheal Jane to intercept the contaminated water and treat it to remove suspended metals and restore a neutral pH.[9]

See also

References

  1. ^ "Case study:Carnon River: Abandoned Metal Mines". Restore. River Restoration Centre. Retrieved 29 January 2018.
  2. ^ "Google Maps". Google Maps. Retrieved 30 January 2018.
  3. ^ "Google Maps". Google Maps. Retrieved 30 January 2018.
  4. ^ "Google Maps". Google Maps. Retrieved 30 January 2018.
  5. ^ "Google Maps". Google Maps. Retrieved 30 January 2018.
  6. ^ "Google Maps". Google Maps. Retrieved 30 January 2018.
  7. ^ Ehser, Anja; Borg, Gregor; Pernicka, Ernst (2011). "Provenance of the gold of the Early Bronze Age Nebra Sky Disk, central Germany: geochemical characterization of natural gold from Cornwall". European Journal of Mineralogy. 23 (6): 895–910. doi:10.1127/0935-1221/2011/0023-2140. Retrieved 1 February 2018.
  8. ^ Haustein, M. (2010). "TIN ISOTOPY-A NEW METHOD FOR SOLVING OLD QUESTIONS". Archaeometry. 52: 816–832. doi:10.1111/j.1475-4754.2010.00515.x.
  9. ^ "Pumping the polluted water from mines - BBC News". BBC Online. Retrieved 1 February 2018.

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