continental block; continental landmass; craton
Geological term for a large, stable portion of the continental crust. Often used in earth science contexts.
Continental blocks are an important concept in plate tectonics.
The continental block in this region was formed during the Precambrian era.
クラトン is a direct loanword for 'craton', used interchangeably with 大陸塊 in geology, though 大陸塊 may also refer to larger continental blocks.
Compound of 大陸 (continent) and 塊 (block, mass). The term is a direct translation of the English 'continental block'.