jaspilite

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jaspilite

(ˈdʒæspəˌlaɪt)
n
(Geological Science) mineralogy a metamorphic rock that has a high concentration of hematite and that resembles jasper
References in periodicals archive ?
Mineralization in the W3 area is hosted within a tightly folded Banded Iron Formation (BIF), which initial drilling has demonstrated to be up to 60 metres in width, according to G2.
VMS deposits, especially in Archean terranes, tend to be spatially associated with shear-hosted mesothermal lode gold deposits (Model 36a) and Algoma-type banded iron formation (Model 28b)".
Summary: TEHRAN (FNA)- The discovery of Earth's youngest-ever banded iron formation is changing how scientists understand the evolution of complex life.
The first ore, which was scheduled to be mined on November 5, was exposed on the 2297 access drive as planned, and comprised a highly sulphidized banded iron formation unit against a highly competent and visually distinct hanging wall basalt unit.
Swapp, "Preservation of Fe isotope heterogeneities during diagenesis and metamorphism of banded iron formation," Contributions to Mineralogy and Petrology, vol.
Washington, Jan 16 ( ANI ): Researchers have managed for the first time to determine the isotope composition of the rare trace elements Hafnium and Neodymium in 2,700 million year-old seawater by using high purity chemical sediments from Temagami Banded Iron Formation (Canada) as an archive.
It is significantly softer than banded iron formation ores.
Property expanded to over 30,000 hectares with high potential for both banded iron formation gold deposits and massive sulphide copper, zinc, silver and gold deposits;
The drilling programme is aimed at defining an Inferred Resource and testing of strike extensions of the prospective coarse-grained magnetite banded iron formation (BIF).
Their deposit, intersected by Highway 622 southwest of Ignace, is a banded iron formation with the potential for 400 million tons.
Firstly, macro-blades are manufactured primarily from banded iron formation and dolerite, with a demonstrably different reduction technique employed for each lithology.
The Cedar Hill and Russell Mountain deposits exhibit thinly laminated banded iron formation (BIF) hematite with oolitic hematite laminae and red jasperoid.