IODP SEDIS - Thesaurus -

media
USE	materials

median masses
SN	As of 1981, no longer a valid term for GeoRef. See tectonics; orogenic belts.

Median Tectonic Line
BT	Asia
	.Far East
	..Japan
	...Median Tectonic Line
RT	tectonics
	plate tectonics
	Honshu
	Kyushu
	Shikoku
SN	Southwest Japan.

median valley
UF	valley, median
RT	rift zones
	rifting
	mid-ocean ridges
	Mid-Atlantic Ridge