Fossil and Petrology collections, New South Wales The Petrology Collection contains 70,000 rocks and thin sections. It was started in the 1870s as two separate collections, one with 9,000 rocks and the other with 43000 thin sections. Hand written catalogues exist for each. After 1912, only one collection was continued up to the present day. The two old subcollections have much more significance than their sizes would indicate, because much of the material comes from old mine sites, and many of these are no longer available for sampling. Furthermore a few samples, have world significance, such as the thin section from the very sample of Copeton dolerite
What Is History? What Is History? What Is History? is a study that was written by the English historian E. H. Carr. It was first published by Cambridge University Press in 1961. It discusses history, facts, the bias of historians, science, morality, individuals and society, and moral judgements in history. The book was originally part of a series of G. M. Trevelyan lectures given by Carr in 1961 at the University of Cambridge. The lectures were intended as a broad introduction into the subject of the theory of history. Some of Carr's ideas are contentious, particularly his alleged relativism and his rejection of