Titlebook: Sediment-Hosted Zn-Pb Ores; Lluís Fontboté,Maria Boni Book 1994 Springer-Verlag Berlin Heidelberg 1994 Ore Deposits.Trias.Wirtschaftsgeolo

发芽

HAVOC

背心

Granular

ENACT

Sulfide Breccia in Fossil Mississippi Valley-Type Mud Volcano Mass at Decaturville, Missouri, USAe “flow” carbonates of the breccia compare well with those of sedimentary carbonates from the host sequence of Mississippi Valley-type stratiform lead-zinc deposits of southeastern Missouri. Therefore, an involvement of deep-seated (mantle) carbon in the process of breccia formation is not indicated.

有恶臭

Expertise

Mississippi Valley-Type Deposits in Continental Margin Basins: Lessons from the Appalachian-Caledoni is the important brine expulsion mechanism. The fact that widespread MVT mineralization in the East Tennessee area of the southern Appalachians is adjacent to overlapping Taconic and Acadian foreland basins and metamorphic maxima suggests that basin deformation is the dominant process for brine expulsion.

convulsion

逢迎白雪

Precipitation of Mississippi Valley-Type Ores: The Importance of Organic Matter and Thiosulphatee constraints include: (1) the occurrence of a wide variety of mineral types together at specific sites in a huge volume of potential host rock; (2) the minus-one oxidation state of sulphur in disulphides in the ores; (3) the ubiquitous occurrence of organic matter in the ores; and (4) the evidence

绿州

Palaeomagnetic Methods for Dating the Genesis of Mississippi Valley-Type Lead-Zinc Depositsd of minerals that are not amenable to radiometric age dating, and therefore have an uncertain age and genesis. This chapter summarizes palaeomagnetic methods that have been successful in dating several MVT deposits, paying particular attention to various tests that show that the measured magnetizat