{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

Volcano morphology (shape)

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

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

{[ snackBarMessage ]}

Ask a homework question - tutors are online