Concepedia

G. A. Challis

GA

11

Publications

305

Citations

10

H-Index

1964

Active since

Affiliations

GNS Science(Current)

G. A. Challis is an author at GNS Science specializing in engineering, petrology, and geology.

Top concepts

Publications per year

1964–2000

11

Publications

11

Emplacement depths of Paleozoic‐Mesozoic plutons from western New Zealand estimated by hornblende‐AI geobarometry

A. J. Tulloch, G. A. Challis · New Zealand Journal of Geology and Geophysics · 2000 · 80 citations · Full text

, , +15

Chromian muscovite, uvarovite, and zincian chromite; products of regional metasomatism in Northwest Nelson, New Zealand

G. A. Challis, Rodney Grapes, K. Palmer · 1995 · 53 citations

, , +13

Basement geology of the Campbell Plateau: Implications for correlation of the Campbell Magnetic Anomaly System

J. M. Beggs, G. A. Challis, Richard A. Cook · New Zealand Journal of Geology and Geophysics · 1990 · 38 citations

The K <sub>2</sub> O : Na <sub>2</sub> O ratios of ancient volcanic arcs in New Zealand

G. A. Challis · New Zealand Journal of Geology and Geophysics · 1968 · 26 citations

High-temperature Contact Metamorphism at the Red Hills Ultramafic Intrusion-Wairau Valley--New Zealand

G. A. Challis · Journal of Petrology · 1965 · 25 citations

, , +14

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