tephrochronology

[ tef-roh-kruh-nol-uh-jee ]
/ ˌtɛf roʊ krəˈnɒl ə dʒi /

noun Geology.

a geochronologic technique based on the dating of layers of volcanic ash.
Compare tephra.

Origin of tephrochronology

1940–45; < Swedish tefrokronologi, equivalent to tefr(a) volcanic ejecta (< Greek téphra ash) + -o- -o- + kronologi chronology

OTHER WORDS FROM tephrochronology

teph·ro·chron·o·log·i·cal [tef-roh-kron-l-oj-i-kuh l] /ˌtɛf roʊˌkrɒn lˈɒdʒ ɪ kəl/, adjective

Words nearby tephrochronology