 | | Report (issue) |
| the biosphere Chemistry of rock-forming minerals Volcanic emanations, by Donald E. White and G. A. Waring...composition of sandstones excluding carbonate and volcanic sands, by F. J. Pettijohn Nondetrital siliceous...phase relations. It soon became clear that the volcanic rocks had undergone posteruptive changes in composition...and that we shall be able to elucidate the more complex crystalline varieties only when the nature of the...anorthite, though they belong to the same phases of volcanic activity. Similarly, we have not included here |
 | | Journal (article/letter/editorial) |
| Crystallization in the Evolution of the Nandewar Volcano, North-eastern New South Wales, Australia by A...accepted 23 April 1985) ABSTRACT The Nandewar Volcano is composed of a suite of transitional alkaline...abundances of some comendites. INTRODUCTION Alkali volcanic associations (whose salic members may be either...manifestations of volcanic activity, both in continental and oceanic island environments. The Nandewar Volcano in north-eastern...rhyolites. The compositional variation in the Nandewar Volcano and other comparable associations is most commonly |
 | | Book |
| TECTONICS BONNIN Developments in Geotectonics 7 EAST AFRICAN RIFTS EDITED BY R. W. G I R D L E R School...L A N D S VI CONTENTS The seismigity of the East African Rift system J.D. Fairhead and R.W. Girdler...Britain) Seismicity. The Gulf of Aden. The Red Sea. East Africa. Earthquake mechanisms. Travel time delays... Study of microearthquakes in the rift zones of East Africa L.N. Rykounov, V.V. Sedov, L.A. Savrina and...anomahes over the Speke Gulf region. The gravity anomahes associated with the volcanic province of northern Tanzania |
