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Eighth Day

January 01, 1990


From Querétaro the route is southeastwards to San Juán del Rio Fig. 68), traversing alluvial-filled valleys underlain by lake beds and flanked by volcanic deposits of Late Cenozoic age, that form the northern margin of Trans Mexican Volcanic Arc. Thereafter, a more easterly route is followed through Huichapan and Ixmiquilpan. The final part of the journey reveals a folded Cretaceous carbonate sequence en route to Actopan, before turning to a southeastserly direction and crossing the Late Tertiary-age andesitic and dacitic terrane of the Pachuca-Real del Monte mining district. During the afternoon a surface excursion wiH emphasize the Tertiary stratigraphy from Pachuca northwards towards El Chico, and then to Real del Monte, and later returning to Pachuca.

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Figures & Tables


Society of Economic Geologists Guidebook Series

Mexican Silver Deposits

K.F. Clark
K.F. Clark
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Society of Economic Geologists
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January 01, 1990




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