(PESIA) Weg naar Zee 2D Seismic - Staatsolie

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P-all consultants 4.2.6 GEOMORPHOLOGY EOMORPHOLOGY AND SOI SOILS Physiography and soils Staatsolie Maatschappij Suriname N.V. PESIA Weg naar Zee 2D Seismic 2012 The project area is located in the flat and very low low-lying lying Young Coastal Plain in an area with clay flats and ridges. Clay flats dominate in the north and west of the study area, while ridges are a common feature in the south and southeast. Physiography and soil conditions of the study area are presented as Figure 6. The information presented in this map has been adapted from the Reconnaissance soil map of Northern Suriname (Soil Survey Department, 1977; 1:100 000). Figure 6 Land and soil of the Weg naar Zee study area (adapted from Soil Survey, 1977) An overview of the characteristics of physiographical units and a brief description of the soils is presented in Table 6. 40
P-all consultants Staatsolie Maatschappij Suriname N.V. PESIA Weg naar Zee 2D Seismic 2012 Table 6 Characterization of geology, physiography and soil of the study area Geology Physiography Elevation Peat / Unit Soils Water (m+NSP) Pegasse soil depth (cm) map (cm) Como- Ridges, usually 2 m None 1 Well (to poorly) drained medium and n.a. wine narrow and low fine (shell) sand phase 2 m None 2 Well drained medium and fine sand to sandy loam n.a Clay flats 1 m 0-40 4 Poorly drained half ripe and ripe clay with brown and yellow mottles 40-60 1 m 0-60 5 Very poorly drained half ripe clay with olive mottles; brackish subsoil 40-80 Tidal swamps 0-1 m Usually 6 Very poorly drained practically unripe 0-60 none and half-ripe brackish clay 7 Very poorly drained unripe and nearly unripe saline clay 0-40 Abandoned 0-1 m Usually 18 Poorly drained half ripe clay; brackish 0-40 rice polder none subsoil Moleson Ridges 2-3 m None 1 Well (to poorly) drained shells, shell-grit, n.a. phase shell sand, medium and fine sand 2-3 m None 2 Well drained medium and fine sand to sandy loam n.a Clay flats and 1-2 m 0-10 5 Very poorly drained half ripe clay with 20-40 inter-ridge olive mottles, locally over sand or sandy depressions loam 1-2 m 0-10 11 Poorly and very poorly drained nearly ripe clay with yellow and/or red mottles, locally over sand or sandy loam 20-40 Abandoned 1 m None 18 Imperfectly to poorly drained nearly ripe 0-40 rice land (re- clay with olive mottles, locally sandy moved) subsoil; usually puddled topsoil Wanica Ridges 2-3 m None 8 (Moderately) well drained medium and n.a. phase fine sand 2 m None 9 Imperfectly drained sandy loam to medium and fine sand to sandy loam, locally sandy clay on medium and fine sand n.a. Clay flats 1-2 m 0-10 11 Poorly drained nearly ripe clay with 20-40 yellow and/or red mottles, locally over sand or sandy loam Abandoned 1-2 m None 18 Imperfectly to poorly drained nearly ripe 0-20 rice fields (re- clay with olive mottles, usually puddled moved) topsoil 41
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(PESIA) Weg naar Zee 2D Seismic - Staatsolie

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