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Provenance
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Provenance is the chronology of the ownership, custody or location of a historical object. The term was originally mostly used in relation to works of art, but is now used in similar senses in a wide
Diana and Actaeon by Titian has a full provenance covering its passage through several owners and four countries since it was painted for Philip II of
Diana and Actaeon by Titian has a full provenance covering its passage through several owners and four countries since it was painted for Philip II of Spain in the 1550s.
Sir William Petre, 1567: artist unknown. By the turn of the 17th century, this portrait was in the collection of John, 1st Baron Lumley, a fact indica
Sir William Petre, 1567: artist unknown. By the turn of the 17th century, this portrait was in the collection of John, 1st Baron Lumley, a fact indicated by the cartellino added to the painting at the upper right. It is now in the National Portrait Gallery, London
A stamp on a historic document, showing that it has passed through the hands of the Records Preservation Section of the British Records Association, a
A stamp on a historic document, showing that it has passed through the hands of the Records Preservation Section of the British Records Association, a rescue service for archival material: the number indicates its earlier provenance
Gazzi-Dickinson method
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The Gazzi-Dickinson method is a point-counting technique used in geology to statistically measure the components of a sedimentary rock, chiefly sandstone. The main focus part of the technique is count
A sand grain that could be used for the Gazzi-Dickinson method. Scale box in millimeters, plane-polarized light on top, cross-polarized light on bottom. Landing on the large phenocryst of amphibole (center, clear in plane light, orange in cross-polarized light) would count as a mineral grain in the Gazzi-Dickinson method because it is sand-sized. Landing on the plagioclase-rich groundmass surrounding the grain would count as a volcanic lithic fragment. It would count as a volcanic rock fragment in the
A sand grain that could be used for the Gazzi-Dickinson method. Scale box in millimeters, plane-polarized light on top, cross-polarized light on botto