In fact changing acidity and microorganisms response to the change forms the basis of most micropaleontology facies change mapping, etc.    From Wordnik.com.  [The Volokh Conspiracy » Monbiot: Leaked CRU Docs a “Major Blow”] Reference

Petroleum geologists, applying their or others' micropaleontology, exploited close correlations between the occurrence of trochospiral forams, often diagnosed principally on their chirality, and fuel in the fossil record as an invaluable technique in oil prospecting.    From Wordnik.com.  [A shell of a different kind] Reference

Tracing the developments in the field of micropaleontology, Dr. Srinivasan dwelt on the Deep Sea Dr.lling Programme, and International Geo Science Programme.    From Wordnik.com.  [The Hindu - Front Page] Reference

Side-lining of systematic micropaleontology by the use of instrumentation techniques was not a healthy sign, he felt, urging senior scientists to appreciate and recognise the findings of young researchers.    From Wordnik.com.  [The Hindu - Front Page] Reference