St Vincent Geology

St. Vincent

Geology of St Vincent Island Geology has been subdivided into South-East Volcanics (2.740.07 to 1.540.62 Ma), Grand Bonhomme Volcanic Center (1.330.09 to 1.160.08 Ma), Morne Garu Volcanic Center (1.180.10 to 0.0110.014 Ma), Monogenetic red scoria spatter cones, and Soufriere Volcanic Centers (0.690.09 Ma to 1979 AD), the deposits of which have been subdivided into Yellow… Continue reading St Vincent Geology

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St Vincent Map

St. Vincent

Geological Map of St Vincent Geological map (after Geothermica Italiana, 1992). Reproduced from Volcanic Hazard Atlas of the Lesser Antilles (Lindsay, Robertson, Shepherd and Ali, eds; Seismic Research Unit, University of the West Indies, 2005) with permission of the SRU.

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St Lucia Geology

St. Lucia

Geology of St Lucia The geology of the island has been subdivided into 1) Eroded basaltic and andesitic centers, which are further subdivided into Northern Series (18.30.9 to 4.660.23 Ma) and Southern Series (10.120.50 to 5.210.15 Ma), 2) Dissected andesite centers (10.400.52 to 2.020.08 Ma), 3) Soufriere Volcanic Center, which has been further subdivided into… Continue reading St Lucia Geology

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St Lucia Map

Geological Map of St Lucia Geological map (after Lindsay et al., 2002). Reproduced from Volcanic Hazard Atlas of the Lesser Antilles (Lindsay, Robertson, Shepherd and Ali, eds; Seismic Research Unit, University of the West Indies, 2005) with permission of the SRU.

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Categorised as St Lucia

Classification of Pyroclastic Deposits

CLASSIFICATION OF PYROCLASTIC DEPOSITS OF THE LESSER ANTILLES Although a general agreement exists on the classification of modern pyroclastic rocks, regional differences often add significant complications, so that specific classification schemes may not be readily adaptable to all areas. For example, in the Lesser Antilles the explosive and gravitational collapse of domes produce pyroclastic flows… Continue reading Classification of Pyroclastic Deposits

Martinique Map

Martinique Geological Map Generalised geological map (after Westercamp et al., 1990). Reproduced from Volcanic Hazard Atlas of the Lesser Antilles (Lindsay, Robinson, Shepherd and Ali, eds., Seismic Research Unit, University of the West Indies, 2005).

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Categorised as Martinique

Guadeloupe Map

Guadeloupe Geological Map Generalised geological map showing volcanic centers and geothermal springs (after Barrat, 1984; Bouysse et al., 1985; Brombach et al., 2000; Maury et al., 1990). Reproduced from Volcanic Hazard Atlas of the Lesser Antilles (Lindsay, Robinson, Shepherd and Ali, eds., Seismic Research Unit, University of the West Indies, 2005).

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Categorised as Guadeloupe

Nevis Map

Nevis Geological Map Generalized geologic map (modified from Hutton and Nockolds, 1978). Reproduced from Volcanic Hazard Atlas of the Lesser Antilles (Lindsay, Robertson, Shepherd and Ali, eds; Seismic Research Unit, University of the West Indies, 2005) with permission of the SRU.

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Categorised as Nevis

Nevis Bibliography

NEVIS BIBLIOGRAPHY   Andrew, E.M., Masson-Smith, D., Robson, G.R., 1970, Gravity anomalies in the Lesser Antilles: Geophysical Paper 5, Institute of Geological Sciences, London, HMSO. Barrange-Bigot, P., 1986, Hydrogeological and Resistivity Survey in Nevis: Informal Report, United Nations Water in Small Islands of the Caribbean Project, RLA/82/023, Barbados, UN-DTCD. Earle, K.W., 1925, Reports on the… Continue reading Nevis Bibliography

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Nevis Geology

NEVIS GEOLOGY Geology of the island has been subdivided into seven volcanic centers, now mainly represented by lava domes and their associated primary (e.g. block and ash flows) and secondary deposits (e.g. lahars). The oldest deposits described from the island are blocks of crystalline limestone containing mid-Eocene fossils contained in a conglomerate unit (Hutton, 1965).… Continue reading Nevis Geology

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