The Pacific Ocean formed through Neoproterozoic rifting of Rodinia and despite a long
history of plate convergence, this ocean has never subsequently closed. The record of …

The Andes display similar mid‐Tertiary to Quaternary features, such as the classical Andean
magmatic belt, the east‐vergent Subandean thrust and fold belt, and Cordilleras trending …

In considering the geology of Western Gondwana, this text covers: the Pan-African-
Brasiliano cratons; the Pan-African-Brasiliano fold belts; and amosaic of Pan-African …

Based primarily on geologic field observations as recorded by numerous geoscientists over
the last three decades, backed by more recent geochemical, seismic, gravity, magnetic …

The idea for a book on anorthosites came to me in January of 1986 while returning to
Houston after holiday festivities in Dallas. The original idea was a review paper on …

Laser ablation–inductively coupled plasma–mass spectrometry (LA-ICP-MS) analyses of 29
samples from the Eastern Cordillera of Colombia reveal the origin of northern Andean …

Within the Amazonian Craton, Archean crust is restricted to the Carajás granite-greenstone
terrain. The younger Maroni-Itacaiunas province, including supra-crustal sequences and …

Abstract The Arequipa-Antofalla Basement, a Proterozoic crustal block exposed along the
central Andean margin, provides a key to interpreting the pre-Andean history of South …

Outcrops of late Meso-to early Neoproterozoic crust in northwestern South America are
restricted to isolated exposures of basement inliers within the northern Andes of Colombia …

The West Amazon Craton consists of rocks of the Sunsás Orogen and the Rondônia-
Juruena Province. The Sunsás Orogen comprises the western part of the Amazon Craton in …