EXAMPLES OF RESEARCH USING HIGH RESOLUTION SAMPLING METHODS
 
Growth Zones in Diagenetic Carbonates
 
 
 
Complex crystal growth zonation can be subsampled to provide a high resolution record of elemental and isotopic chemistries during the evolution of diagenetic fluids.  This figure illustrates zonation visible only under cathodoluminesce petrography. This visible zonation can be further subsampled to allow the analysis of intra-zonal variations. Example
 
 
Accretionary Growth Banding in Mollusca
 
Accretionary Growth Structure in Clams Shell.   The growth banding present with in molluscan shells allows for reconstruction of seasonal variations in environmental conditions present during the life of this organism.  By using the visible growth banding it is possible to subsample within annual banding to document the seasonal scale variability.   Examples:  1. Paleogene bivalves from Antarctica; 2. Cretaceous and Paleogene freshwater bivalves;  
3. Recent freshwater bivalves; 4. Otolith research (earbones of fishes)
 
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Last Updated:  14 July 1998
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