John Wesley Judd

John Wesley Judd ( born February 18, 1840 in Portsmouth, † March 3, 1916 in Kew ) was a British geologist, petrologist, mineralogist and volcanologist. He developed a system for the subdivision of igneous rocks and introduced the categories of ultrabasic igneous rocks and intermediate.

Life

Judd was born in Portsmouth and moved to London with his father at the age of eight years. His university education was Judd from 1863 at the Royal School of Mines at Imperial College London. He initially turned to the petrology and worked as a laboratory assistant in the iron and steel industry. After an accident at work, which made it impossible for uninterrupted work, he worked as a field geologist for petrologist and the British Geological Survey. At his alma mater, the Royal School of Mines, he was from 1876 to 1895 professor of geology. In 1877 he was elected a Fellow of the Royal Society, and 1886-1888 he was president of the Geological Society of London. Among his pupils were the geologist, Arctic explorer and surveyor Edgeworth David and paleontologist Frederick Chapman.

1891, the Wollaston Medal of the Geological Society awarded him. One of the founders of the geological exploration of India, Lewis Leigh Fermor, 1908 named in his honor the Juddit, one found in India, bright red and manganese -rich variety of the mineral Arfvedsonite.

Works

In addition, Judd wrote program notes for Charles Darwin's On the structure and distribution of Coral Reefs, published in 1890, and was editor of Charles Lyell's A manual of elementary geology, the J. Murray appeared in London in 1896.