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Significance of the presence of potassium bearing feldspars and micas in some soils of Puerto Rico
(University of Puerto Rico, Mayagüez Campus, Agricultural Experiment Station, 1981-03)
According to Meyerhoff the island of PR can be broadly divided into five main formations: 1).Quarternary and Recent uncosolidated deposits occuring mainly along the northeast and southern coasts; 2) Tertiary limestone ...