A comparative study of stream water and stream sediment as geochemical exploration media in the Rio Tanama porphyry copper district, Puerto Rico

1985 ◽  
Vol 24 (2) ◽  
pp. 175-195 ◽  
Author(s):  
R.E. Learned ◽  
T.T. Chao ◽  
R.F. Sanzolone
1959 ◽  
Vol 1 (3) ◽  
pp. 281-283 ◽  
Author(s):  
Elsa V. Goveia

The West Indian area is one of the most attractive fields for comparative study. For, as Dr. Mintz has pointed out, it includes territories, generally similar in physical environment, which, nevertheless, differ in their individual histories. The marked divergence in the histories of Puerto Rico and Jamaica during the first half of the nineteenth century is only one instance among many which can be cited as worthy of attention. The interest of this particular case is that it raises the point in an acute form.


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