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Publication Extents

Not all publications have extents, not all extents are completely accurate
Geologic reconnaissance in western Liberia
G. W. Leo, R.W. White
1967, Open-File Report 67-147
Irazu volcano, a large composite cone, consists of interbedded lava flows, lahars, and ash beds. This rock sequence, named the Irazu Group, has been divided into four formations; from the base: Reventado Formation, Sapper Formation, Birris Formation, and Cervantes Formation. Only the Reventado and Sapper Formations crop out in the...
Progress report II: Assays and analyses of pyritic core from Wadi Wassat gossan, Saudi Arabia
William C. Overstreet, Sayyad Moutouq Bahijra, Mohammed A. Fourati, Louis Gonzales
1967, Open-File Report 67-174
Assays of 31 samples of pyritic core from diamond drill holes under gossan at Wadi Wassat, Saudi Arabia, disclosed 0.02 oz/ton gold in five samples, and from0.11 to 1.68 oz/ton silver in 23 samples: The tenors are too low to constitute ores of either metal. Further work is required to...