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Saprolite is not as weathered as laterite; there is a continuum from the upper layer of saprolite to laterite. Saprolite (from Greek σαπρος (sapros) = putrid + λιθος (lithos) = rock) is a chemically weathered rock (literally, it means "rotten rock"). More intense weathering results in a continuous transition from saprolite to laterite.
The DNi process uses nitric acid, instead of sulphuric acid, to extract the nickel within a few hours and then the nitric acid is recycled. The DNi process has the major advantage of being able to treat both limonite and saprolite lateritic ores and is estimated to have less than half the capital and operating costs of HPAL or Ferronickel ...
Residuum differs from saprolite through its structure and degree of weathering. Saprolite is commonly referring to weathered material retaining details or structural features of the bedrock. The distinguishing feature between these is that residuum no longer retains the structural features or details of its bed rock.
upper saprolite: completely oxidised bedrock; lower saprolite: chemically reduced partially weathered rocks; saprock: fractured bedrock with weathering restricted to fracture margins; volcanic ash and lava flows that are interbedded with unconsolidated material [11]
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Saprolite formed due to intense chemical weathering in the Early Cretaceous, with an upper oxidation zone and a lower reduction zone. In lower saprolite zones, plagioclase weathered to kaolin . Mica , feldspar and amphibole are most weathered nearest the surface and iron oxides are more common close to the surface as well.
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Yields: 1 cup. Prep Time: 10 mins. Total Time: 10 mins. Ingredients. 2 tbsp. Dijon mustard. 1 tbsp. balsamic vinegar or red wine vinegar. 1 tsp. Worcestershire sauce