Complex sentence: The feature was descriptively named "Quebrada Larga" (long valley) in Argentine geological reports and maps of 1978; the term valley has been substituted in place of "quebrada" in the approved name.
Split into simpler sentences: The feature was descriptively named "Quebrada Larga" (long valley) in Argentine geological reports and maps of 1978. The term valley has been substituted in place of "quebrada" in the approved name.