description Esper Larsen Jr. Overview
Esper Larsen Jr. was an American mineralogist and petrologist who lived from 1879 to 1961. He was affiliated with Harvard University and the United States Geological Survey throughout his career. Larsen is recognized for developing the Larsen immersion method, a technique for measuring the refractive indices of mineral grains under polarized light using specialized liquids.
His systematic approaches to quantitative mineralogy and volcanic rock classification had a measurable impact on 20th-century geological research.
help Esper Larsen Jr. FAQ
Who was Esper Larsen Jr.?
Esper Larsen Jr. was an American mineralogist and petrologist associated with Harvard University and the United States Geological Survey. He lived from 1879 to 1961.
What is the Larsen immersion method?
The Larsen immersion method is a technique used to help identify minerals by comparing their optical behavior in immersion liquids. It is associated with Esper Larsen Jr.'s work in mineralogy and optical mineral identification.
What is petrology?
Petrology is the study of rocks, including their mineral content, origins, and formation processes. Larsen's work connected this field with mineralogy, which focuses more closely on individual minerals.
Which institutions were connected with Esper Larsen Jr.?
Larsen was affiliated with Harvard University and the United States Geological Survey. His career combined academic research with practical geological and mineralogical investigation.
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