.~ Providing identifiable indication of core position in situ for core sample orientation
DEFINITION
Classification: 175/44
(under subclass 40) Subject matter comprising a step or means to take a core sample from the formation and a step or means operative during the extraction of the core for indicating the position of the core sample in the formation, so that said core sample may be placed in the same position which it assumed while in the formation for observation after it is brought above ground.
