📜 Theorem, law or theory

Walther's law of correlation of facies

Ley de correlación de facies (Walther)

Date
1894 · confidence high
Place
Jena, Thuringia, Germany
Credited to
Johannes Walther
Field
Cosmos & Earth

What was discovered

Johannes Walther formulated that only facies found side by side in a present sedimentary environment can be stacked in a continuous vertical succession. It allows strata to be read as a record of migrating environments, the basis of sequence stratigraphy.

It was stated in his Einleitung in die Geologie als historische Wissenschaft (1893-1894); Gressly defined facies in 1838, and the principle had been intuited by others. The law holds for successions without breaks.

What it led to

  • interpretation of sedimentary environments
  • sequence stratigraphy
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