Geosciences contributionin Kidang Cave Archaeological site Blora, Central Java - Indonesia

Research at Kidang Cave of karst region of Blora starting since 2005 and still on going up to now. Study results during excavation are artifacts, ekofak, features, skeleton (grave), and a fireplace. Archaeological findings show intensively inhabited in this cave for a long timeGeosciences of geology and geophysics approach which are applied in Kidang have an important role in guiding an excavation program in the site location. Conceptual geological model is reconstructed based on karst morphology analysis and sedimentology feature of adjacent area. The geophysical survey carried out in the Kidang cave area are ground penetrating radar (GPR), geolectrical and geomagnetic survey. In this paper we are demonstrated the integrated approach of geosciences approach in revealing subsurface condition of the archeological site. GPR is an effective method at dry and smooth terrain, hyperbolic feature is identify in difference amplitude and bright form. The geoelectrical survey is targeting more general feature of the sedimentary rock thickness, which reflected by resistivity value. The geomagnetic survey result is able to located some hard or higher density rock or archeological object, which is buried in the subsurface.