megablock
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English[edit]
Etymology[edit]
Noun[edit]
megablock (plural megablocks)
- A very large block.
- 1983, Nicholas Rast, Profiles of Orogenic Belts, page 169:
- The earliest potassic granites in the southern part of the Timpton-Sutam megablock appear only at the end of the fourth cycle.
- 2012, Wylie Poag, The Chesapeake Bay Crater:
- On the single and two-channel profiles, however, ringing interference (repetition of shallower reflections) between the basement and postimpact sediments prevents clear definition of the displaced megablocks.