Gadzira shanduro yakaoma zvikuru yemutsara uyu Mepu ye geologic kana kuti mepu ye geological imepu ine chinangwa chakakosha yakagadzirirwa kuratidza zvinhu zve geological.
Chokwadika, shanduro yakaoma zvikuru yemutsara wacho ndeyokuti "Mepu yezvokuchera matongo kana kuti mepu yezvokuchera matongo imepu yechinangwa chaicho yakaitwa kuti iratidze kuti matanda ezvokuchera matongo akaputsika zvikuru, akasanganiswa, mune zvimwe zvisingapfuuriki, kana kuti apo zvinokanganiswa neimwe nzira".