Author(s)

Seyyed Reza Mortazavi, Ghodratollah Mohammadi

Department of Mining Engineering, Islamic Azad University, South Tehran Branch, Tehran, Iran.

In many parts of the world, data obtained from geochemical exploration of stream sediments are integrated with geological and geophysical data as one of the most efficient methods of exploring potential deposits at regional and semi-detailed scales. The aim of regional investigation is to study large areas to identify anomalies that might have been arisen from increased concentrations of an element or some elements in a region. A total of 78 geochemical samples were taken from Varamin sheet to identify regions of anomalies. The following information was used to perform a detailed geochemical exploration, in particular for geochemical sampling. 1) 1:100,000 geological map of Varamin. 2) 1:50,000 topographic maps of the region. 3) 1:100,000 airborne geophysical map of the region to locate shallow intrusions and hidden faults. The sampling network was designed using the above data and the analysis of 1:500,000 topographic maps. The sampling density was higher around faults and apparent and hidden intrusions, and lower in plains and lowlands.

Geochemical, Heavy Minerals, Varamin, Promising Mineral, Determination

Mortazavi, S. and Mohammadi, G. (2016) The Determination of Promising Mineral Zones in 1:100,000 Varamin Sheet Based on Geochemical Studies (Heavy Minerals). Open Journal of Geology, 6, 745-756. doi: 10.4236/ojg.2016.68057.