ODP Leg 201: Peru Deep Biosphere

Figure 2

Logs recorded in Hole 1225A. a) Hole shape from the caliper log; b) Natural Gamma Ray; c) Concentrations in Uranium, Thorium and Potassium derived from gamma ray spectrometry; d) Resistivity at three depths of investigation; e) Density; f) Porosity. The density and porosity logs can be compared with the discrete measurements made on core samples (grey circles).

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