Ordovician mafic magmatism in an Ediacaran arc complex, Sibak, northeastern Iran: the eastern tip of the Rheic Ocean Available to Purchase

U–Pb geochronology in Liverpool Land and Canning Land, East Greenland — the complex record of a polyphase Caledonian orogeny This article is one of a series of papers published in this Special Issue on the theme of Geochronology in honour of Tom Krogh. Available to Purchase

The Krogh revolution: advances in the measurement of time This article is the Introduction to a series of papers published in this Special Issue on the theme of Geochronology in honour of Tom Krogh. Available to Purchase

Geology and U–Pb geochronology of the Island Lake greenstone belt, northwestern Superior Province, Manitoba Available to Purchase

Age structure and orogenic significance of the Berens River composite batholiths, western Superior Province Free

Sharbot Lake terrane and its relationships to Frontenac terrane, Central Metasedimentary Belt, Grenville Province: new insights from U–Pb geochronology Free

U–Pb geochronology of the Mazinaw terrane, an imbricate segment of the Central Metasedimentary Belt, Grenville Province, Ontario Free