Suchergebnisse - Heyl, Allen V.

Lead isotopes from the Upper Mississippi Valley District: a regional perspective

Mineral belts in Western Sierra County, New Mexico, suggested by mining districts, geology, and geochemical anomalies

Aeromagnetic and tectonic Analysis of the Upper Mississippi Valley zinc-lead district

The role of the upper mantle in metallogeny: third workshop of the IAGOD CTOD project parameters controlling the distribution of large ore deposits, ore clusters, mineral belts and metallogenic provinces held on July 15, 1989 during the 28th International Geological Congress in Washington, DC