Borehole Site: ZA-BMV4
Data Contact: M.Q.W. Jones (ZA)


Date of measurement (year): 1979
Estimated prior steady state GST (°C): 20.20
Estimated mean conductivity (W m-1 K-1): 3.14
Estimated mean thermal gradient (K km-1): 10.20

Depth Below Surface (m)   Temperature (°C)

40.00 21.08 50.00 21.10 60.00 21.13 70.00 21.19 80.00 21.25 90.00 21.32 100.00 21.38 110.00 21.47 120.00 21.54 130.00 21.63 140.00 21.70 150.00 21.78 160.00 21.87 170.00 21.95 180.00 22.05 190.00 22.16 200.00 22.26 210.00 22.36 220.00 22.47 229.90 22.55 239.90 22.65 249.90 22.72 259.90 22.79 269.90 22.90 279.09 23.00 289.80 23.11 299.80 23.21 309.80 23.32 319.80 23.42 329.70 23.51 339.70 23.62 349.70 23.73 359.70 23.83 369.60 23.93 379.60 24.05 389.60 24.15 399.60 24.26 409.60 24.36 419.50 24.46 429.50 24.56 439.50 24.67 449.40 24.78 459.40 24.89 469.40 25.00 479.30 25.12 489.35 25.23 499.30 25.33 509.20 25.45 519.20 25.56 529.20 25.67 539.10 25.78 549.10 25.88 559.00 26.00 569.00 26.11 578.90 26.20 588.90 26.30 595.20 26.36

NOTE: The data listed above are the actual data we used in the reconstruction. The original observations may have begun at a shallower depth, or may have extended to a greater depth. Please contact the data contact person for more information about this borehole site.


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