000 00617nam a2200157 4500
001 0000003136
008 121010 eng
040 _aJMG HQ
090 0 0 _a555
_bTEO
100 1 _aTeoh, Lay Hock
245 1 0 _aGround evaluation through banka drilling
_nno. QG 2/1978
_cTeoh Lay Hock.
260 _c1978
300 _a1v. (various pagings)
_bill.
_c30 cm.
520 _aOn arrival in the laboratory, a heavy mineral sample collected in the field is further concentrated by heavy liquid separation using bromoform. The heavy fraction is weighed. This gives the total weight of the concentrate
650 0 _aGeology investigation
999 _c20217
_d20217