Bulletin of the Geological Society of Malaysia, Volume 16, Dec. 1983, pp. 23 – 30

On the feasibility of detecting potholes and limestone pinnacles in alluvial mining areas by gravity surveys 

C.A. FOSS

Department of Geology, University of Malaya

Abstract: Bedrock topography buried under alluvium causes Bouger gravity anomalies. Anomalies over large potholes (radius greater than 20 metres) should be detectable by surface measurements but anomalies over limestone pinnacles will be too small (by up to an order or magnitude) to detect.

https://doi.org/10.7186/bgsm16198302