Harmonization of MODIS and VIIRS Calibration
Harmonization of the calibration of MODIS and VIIRS (SNPP/NOAA-20) by Eric Vermote et al. Explore cross-calibration over BELMANIP sites, Terra vs. Aqua comparisons, and coefficient analysis for deep convective clouds. The study delves into calibration techniques and ratios over specific cloud types for NOAA20 and SNPP satellites.
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. (3) Immiscible Liquid Segregation Ore-deposits Sulfide-rich magmas are immiscible in silicate rich magmas. This gives rise crystallization. The accumulated sulfide may not necessarily be pure in fact, it quite often is an enrichment of sulfides in the lower parts of the magma. manner are pyrrhotite-chalcopyrite-pentlandite nickel-copper ores confined to rocks of the gabbro family. Examples: Ni- Cu Deposits of Insizwa, S. Africa; Nickeliferous Sulfide Deposits of Bushveld, S. Africa ; Nickel Sulfide Deposits of Sudbury, Ontario. to separation even before Deposits formed in this
. (4) Immiscible Liquid Injection Ore-deposits Examples: Vlackfontein Mine of S. Africa; Nickel Deposits of Norway. Association of Rocks and Mineral Products: Definite associations magmatic ores and certain kinds of rocks: 1. Platinum occurs only with mafic to ultramafic rocks such as varieties of norite, peridotite or their alteration products. 2. Chromite (with rare exceptions) is formed only in peridotites, anorthosites and similar mafic rocks. exist between specific
3. Titaniferous magnetite and ilmenite are found with gabbros and anorthosites. 4. Magnetite deposits occur with syenites. 5. Ni-Cu deposits are associated with norite. 6. Corundum occurs with nepheline syenite. 7. Diamond occurs only in kimberlite, a variety of peridotite.
8. Pegmatite cassiterite, niobium-bearing minerals occur chiefly with granitic rocks. It is thus seen that deep-seated mafic rocks are the associates of most of the magmatic mineral deposits. This indicates a genetic relationship with the early magmatic history of associated rocks. minerals, lepidolite, beryl, and such scheelite, as
