geochemical anomaly

geochemical anomaly

[¦jē·ō¦kem·ə·kəl ə′näm·ə·lē]
(geochemistry)
Above-average concentration of a chemical element in a sample of rock, soil, vegetation, stream, or sediment; indicative of nearby mineral deposit.
References in periodicals archive ?
Recent incomplete follow-up of the large geochemical anomaly has located several historical prospects/small mines that were developed on multiple shears that display silicified cores with high grade gold mineralization enveloped by wide zones of disseminated sulphide-associated lower grade gold mineralization.
Over the last two years Nelson has consolidated more than 656 square kilometres of tenure, which includes an exciting 20-kilometre-long geochemical anomaly with the potential to produce a Tropicana-scale gold deposit.
Anomaly (1), a large geochemical anomaly located in the northeastern portion of the property approximately 5km north of the Silver Cloud mine.
We applied following geo-exploration evidential layers as the most important criteria for prospecting the IOCG deposits in the study area: lithology of the host rock, lithology of intrusive rocks as heat sources, proximity to the faults, alteration zones, and stream sediment geochemical anomaly of indicator elements.
According to additional information on ore formation, such as the remote sensing anomaly, geophysical anomaly, and geochemical anomaly, we can find the location of the required ore deposit; these areas are known as the favorable areas for prospecting.
Bonham-Carter, "A spatial analysis method for geochemical anomaly separation," Journal of Geochemical Exploration, vol.
The Barns calcrete geochemical anomaly, together with an aerial photo of the prospect, is shown on Figure 2.
(TSXV: GMV) is pleased to announce that it has successfully outlined a strong gold geochemical anomaly on its A-16 Prospecting License which lies adjacent to and directly south of Guyana Goldfields Inc.'s Aurora deposit.
According to Colorado Resources Ltd, the drilling was undertaken to test a partially open, 600 x 1,000 metre chargeability anomaly in an area covered by glacial overburden that is up-ice from copper, zinc, gold and silver geochemical anomaly defined by detailed till sampling.