The campaign was carried out by partner IAMGOLD and identified broad zones of anomalous gold mineralisation as well as higher grade samples that could indicate a feeder zone at depth.
Samples from termite mounds at the drill pads also indicated gold, said Oriole.
IAMGOLD has an option to spend US$8M on exploration to earn a 70% interest in Dalafin.
In May, it started a shallow drill programme at the Madina Bafe target that from 552 holes identified two anomalies with gold present over 1.5km and 400m respectively.
IAMGOLD intends to start deeper drilling in November at Madina Bafe to test results from the previous exploration carried out by Oriole.
The licence is 12km to the west-northwest of IAMGOLD's 2.49Moz (Indicated) Boto gold project, where it intends to apply shortly for a mining licence.
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