Lithological logs and cross sections created with data from Rio Minho Basin

ithological and Construction Logs
ross Sections
ithological logs of wells in karstified and/or fractured limestone aquifer

You may see lithological logs from individual wells by either clicking on the first line (Lithological and Construction Logs) or on the third line (Lithological logs of wells in karstified and/or fractured limestone aquifer). The latter option presents wells in which karstification process has been described by either loss of circulation (of drilling fluid) or by presence of fractures and cavities. A map will also be displayed showing the location and distribution of wells drilled through karstic limestone.

You may also select one of the following wells to display directly (without the help of a map) their lithological logs.

RM-004
  • Caswell Hill 2
    		•  RM-005
  • Cockpit Ch 1
    		•  RM-010
  • Curatoe Hill Ch
    		•  RM-020
  • Halse Hall 1
    		•  RM-022
  • Hayes PS
    		•  RM-031
  • Kraal 2
    • RM-035
  • Mineral Heights
    		•  RM-036
  • Moores Ch
    		•  RM-038
  • Osbourne Store
    		•  RM-040
  • Passide
    		•  RM-041
  • Porus 1
    		•  RM-045
  • Rhymesbury 1
    • RM-053
  • Sevens Ch
    		•  RM-060
  • Clarendon Park 2
    		•  RM-080
  • Exeter 3
    		•  RM-114
  • Bullards Ch 2
    		• RM-118
  • Sam Wint 1 (Parnassus)
    		•  RM-120
  • Palmers Cross
    • RM-122
  • Sevens Road
    		•  RM-126
  • Breadnut Valley
    		•  RM-128
  • St.Jago 2
    		•  RM-130
  • St.Toolies 1
    		•  RM-134
  • St.Jago Thompson Pen
    		•  RM-135
  • Milk River 1
    • RM-136
  • Clarendon Park
    		•  RM-137
  • Clarendon Park 1
    		•  RM-139
  • St.Jago Toll Gate
    		•  RM-140
  • Milk Pen
    		•  RM-142
  • Decoy
    		•  RM-143
  • Toll Gate McGilhurst Pen
    • RM-144
  • Milk Spring 2
    		•  RM-148
  • Prospect Farm, Osbourne Store
    		•  RM-154
  • Belle Plain 4
    		•  RM-168
  • Sheckles Pen 2
    		•  RM-176
  • Sheckles Pen
    		•  RM-185
  • Sheckles Pen 3
    • RM-187
  • Vernamfield C
    		•  RM-191
  • Vernamfield Expl. 1
    		•  RM-196
  • Kemps Hill 1
    		•  RM-207
  • Kraal 1
    		•  RM-214
  • Vizzards Run 3
    		•  RM-223
  • Jacobs Hut 3
    • RM-227
  • Parnassus, Windsor Lodge 9
    		•  RM-236
  • Windsor Lodge 8
    		•  RM-242
  • Needham 2
    		•  RM-245
  • Fattening Pasture
    		•  RM-251
  • May Pen Citrus Co.
    		•  RM-256
  • Halse Hall, Great House
    • RM-262
  • Halse Hall, ALCOA 2
    		•  RM-268
  • Cotton Tree Gully 3
    		•  RM-273
  • Hanbury 2
    		•  RM-275
  • Raymonds 2
    		•  RM-276
  • Raymonds 6
    		•  RM-279
  • Curatoe Hill
    • RM-286
  • Chateau
    		•  RM-289
  • Sevens Factory
    		•  RM-291
  • Hunts Pen
    		•  RM-295
  • Palmetto Gully A
    		•  RM-300
  • Toll Gate Duke Str.
    		•  RM-303
  • Evergree-Mile Gully
    • RM-304
  • Trinity 2
    		•  RM-305
  • Porus 3 (WRA 6)
    		•  RM-307
  • Porus (Acardia)
    		•  RM-309
  • Porus 3
    		•  RM-312
  • Marshall's Pen
    		•  RM-459
  • Summerfield Danks
    • NOTE: Ch stands for "Corehole".

    arstic developments are characteristic for the limestone in Manchester Highlands and underlying Clarendon Plain. The high porosity and permeability resulting from solutional processes within the limestone, coupled with high recharge and sufficient rainfall, result in high production rates of limestone wells.

    lluvial sediments, which overly the limestone under the Clarendon Plain, have rather limited areal extension. Two maps illustrate the geometry of the alluvium:

  • Map 1:��� hickness of alluvium in metres, which includes both saturated and unsaturated portions. The map was obtained by subtracting bottom of alluvium (top of limestone) from ground surface; and
  • Map 2:��� ottom of Alluvium (as absolute elevations in metres above or below mean sea level).

    The geometry of the alluvium can also be seen on one of cross sections (from the west to the east, the middle part of the plain).

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