Routine geodetic measurements are made at only a few dozen of the world's 600 or so
active volcanoes, even though these measurements have proven to be a reliable precursor …

This review focuses on the recognition of volcanic ash occurrences in marine sediment
cores and on using their appearance and properties to deduce their origin. Widespread …

Pyroclastic Rocks is the first modern comprehensive treatment of what they are and how
they were formed. The subject is discussed against a background of plate tectonics theory …

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INFORMATION CENTER PVU Library Search PVU Library By name, author, subject …

This unique book presents an overview of isostasy, a phenomenon of fundamental
importance to the earth sciences. Isostasy is a simple concept, yet it has long perplexed …

Seafloor alteration of the basaltic upper oceanic crust provides one of the major
geochemical pathways between the mantle, the ocean/atmosphere and subduction zone …

New age determinations from Tenerife, together with those previously published (93 in all),
provide a fairly comprehensive picture of the volcanic evolution of the island. The oldest …

In the subaqueous growth and emergence of a basaltic volcano clasts are formed by one or
a combination of (1) explosive release of magmatic volatiles;(2) explosive expansion and …

The Canarian Archipelago is a group of volcanic islands on a slow-moving oceanic plate,
close to a continental margin. The origins of the archipelago are controversial: a hotspot or …

Alkaline mafic magmas forming intra-plate oceanic islands are believed to be strongly
enriched in CO2 due to low-degree partial melting of enriched mantle sources. However …