The Earth!s interior structure - Lecture 1 How do we know what’s inside the Earth? • samples from inside the Earth (not many) • indirect observations of the Earth’s interior seismic, gravity, magnetic, and heat flow measurements • today (mostly): seismic studies of Earth’s interior EARTH!S INTERIOR: SAMPLES Plummer 1st Cdn edition, Ch. 4 pp 107-109, plus Box 4.4 (page 117) KTB borehole -- drilled to a depth of 10 km in Germany Russians have drilled a 12-km-deep borehole Convecting Mantle Kimberlites: samples of the upper mantle
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The Earth interior structure - Lecture 1 · The Earth !s interior structure - Lecture 1 How do we know whatÕ s inside the Earth? ¥ samples from inside the Earth (not many) ¥ indirect
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The Earth!s
interior structure - Lecture 1
How do we know what’s inside the Earth?
• samples from inside the Earth (not many)
• indirect observations of the Earth’s interior
seismic, gravity, magnetic, and heat
flow measurements
• today (mostly): seismic studies of Earth’s
interior
EARTH!S INTERIOR:
SAMPLESPlummer 1st Cdn edition, Ch. 4
pp 107-109, plus Box 4.4
(page 117)
KTB borehole -- drilled to a depth of 10 km in Germany