P045 High-resolution geophysical surveying at the Springfield Fault New Zealand Abstract 1 To trace the active Springfield Fault (South Island New Zealand) and map its character at shallow depths on a terrace where it exhibits no surface expression we recorded 3-D georadar data across an approximately rectangular 110 x 40 m survey area. In addition we carried out multi-electrode geoelectric measurements along a 198 m long profile that crossed the georadar survey area. Although the georadar depth penetration was limited to only ~5 m the processed images revealed the presence of a prominent reflecting horizon disrupted by three main discontinuities.


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