Volcano morphology (shape) - B. Linear chain of volcanoes...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Geosc 10 Tuesday, February 2nd, 1999 Announcements: none Lecture notes: I. Hawaii A. Volcano morphology (shape) 1. Close to flat, very low slope 2. Lava can flow easily; hot spot related volcanoes B. Volcanic products 1. 99+% basalt II. Related topics A. Main vs. secondary convective system 1. Main is convection throughout the entire mantle 2. Secondary convective system (core-cooling) is one linear jet (hot spot)
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: B. Linear chain of volcanoes C. Age progression easier to predict D. Tectonic processing happens at km/million yr. (cm/yr.) III. Review A. Hot spot- very small, cylindrical, thin jet of very hot material; melted mantle from core/mantle boundary; by-pass big circulation; hot spots leave a trail that we can go back and see how much the Pacific Plate has moved...
View Full Document

This note was uploaded on 02/21/2008 for the course GEOSC 10 taught by Professor Furman during the Spring '99 term at Pennsylvania State University, University Park.

Ask a homework question - tutors are online