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DELTA: Geochem mode. Analysis results of mining activities. Sonia GÜiza González firstname.lastname@example.org Geochemistry – International Mining Group (IMG) Olympus Innov -X. Content. Mineral processing samples for Exploitation mining. 2. Soil samples for Exploration mining.
Geochemistry – International Mining Group (IMG)
CASE DESCRIPTION: Samples sulfurs concentrates of Cormin Laboratory in Peru. Results for: As, Pb, Zn, Cu, Ag.
RESULTS: Laboratory –without information analytical methodology (perhaps AA) and Niton results.
Lab = laboratory results
D = Delta; geoch = mode geochem; min = mode miner
N = Niton
The presence of a veneer of post-mineralization over-burden and a well developed organic soil horizon posed a problem for surface soil sampling. Hence, auger drill-ing (up to 4 to 5 meters depth) was proposed as an effective method to collect a representative sample from the B-soil horizon sampling target.
Count samples: 45
Chemistry Analysis: ALS-Chemix; ICP-AES; aqua regia digestion.
ABREVIATORS: Lab = laboratory results, D = Delta; gch = mode; s = soil, N = Niton; HH_PA = Handheld Portable Analyzer; N = number values or results >LOD.
Exclusive elements results by laboratory analysis that was ICP-AES were Ba, Be, Ce, Ga, Ge, Hf, In, La, Li, Na, Re, Sc, Tl
HH_PA = Handheld Portable Analyzer; D=Delta and N=Niton.
Bold is lab result; D=Delta; gch=geochem; s=soil.
Lead (N was <LOD)
Zinc (N got 33 results, D got 45)
Calcium, D_gch got 13 results only
Cupper, D_gch got 26 results only
Nickel depend to LOD, better Delta
Ytrium result the best of Delta (Niton haven’t this element)
D=Delta geochem mode
1. Geochem mode for exploitation mining is recommendable if there are elements of low concentration and custom need some light elements.
2. Soil mode for exploration mining is more recommendable that geochem mode because, samples as soil or sediment has a low concentration of elements.
3. Geochem mode is recommendable for lithological studies, which are important comparison of rocks and geochemistry orientation survey.
Geochem mode should replace Mining Plus Mode, but NOT mining. This mode has one beam so the time of analysis is quickly as possible. Mining mode is an excellent option for fast diagnostic, for example As and Pb on gold samples.
Geochem LOD has some differences than Soil mode. It is necessary to know what elements and what is the difference of LOD. Geochem mode have NOT replaced the soil mode yet.
Geochem Mode is necessary to review some elements add if it is more useful in mining activities as tellurium by gold exploration or remove some elements. Other case is Neobium has a good result on logarithmic scale.