description Louis V. Pirsson Overview
Louis V. Pirsson (1860-1919) was an American geologist and petrologist who taught at Yale University's Sheffield Scientific School. He was one of four scientists whose initials form CIPW, the 1902 normative calculation system for classifying igneous rocks from chemical analyses; the P represents Pirsson. His work is chiefly relevant to mineralogy, petrography, and the history of quantitative igneous-rock classification.
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Who was Louis V. Pirsson?
Louis V. Pirsson was an American geologist and petrologist who lived from 1860 to 1919. He taught at Yale University's Sheffield Scientific School.
What is Louis V. Pirsson's connection to the CIPW system?
Pirsson was one of the four scientists represented by the initials CIPW. The initials stand for Cross, Iddings, Pirsson, and Washington.
What does the CIPW system do?
The CIPW system is a normative calculation method for classifying igneous rocks from chemical analyses. The system was developed in 1902 by four scientists including Louis V. Pirsson.
Where did Louis V. Pirsson teach?
Pirsson taught at Yale University's Sheffield Scientific School. His academic work focused on geology and petrology, including the chemical classification of igneous rocks.
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