Geometry of a Miocene submarine canyon and asociated sedimentary facies in southeastern Calabria, southern Italy

W. Cavazza, Peter G Decelles

Research output: Contribution to journalArticle

30 Citations (Scopus)

Abstract

Major erosion surfaces cutting into basement rocks define several submarine paleocanyons. Paleocanyon fills consist of large, lenticular conglomerate bodies that are 200-580 m thick and 3-6 km wide. The best example of these paleocanyons is located near the town of Stilo. The conglomeratic canyon fill and the adjacent muddy slope deposits are both overlain by a laterally continuous sequence, 160 m thick, composed of two units of fine-grained, thin-bedded turbidites alternating with two units of thicker sandstone and minor pebble-conglomerate beds. The paleocanyons probably originated as subaerial valleys in response to a major fall in relative sea level at 30 Ma and were later submerged by a combination of relative sea-level rise and concomitant tectonic activity. -from Authors

Original languageEnglish (US)
Pages (from-to)1297-1309
Number of pages13
JournalBulletin of the Geological Society of America
Volume105
Issue number10
DOIs
StatePublished - 1993
Externally publishedYes

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submarine canyon
conglomerate
fill
Miocene
geometry
basement rock
pebble
canyon
sandstone
sea level
erosion
valley
tectonics
cutting (process)
sea level rise

ASJC Scopus subject areas

  • Environmental Science(all)
  • Earth and Planetary Sciences(all)

Cite this

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abstract = "Major erosion surfaces cutting into basement rocks define several submarine paleocanyons. Paleocanyon fills consist of large, lenticular conglomerate bodies that are 200-580 m thick and 3-6 km wide. The best example of these paleocanyons is located near the town of Stilo. The conglomeratic canyon fill and the adjacent muddy slope deposits are both overlain by a laterally continuous sequence, 160 m thick, composed of two units of fine-grained, thin-bedded turbidites alternating with two units of thicker sandstone and minor pebble-conglomerate beds. The paleocanyons probably originated as subaerial valleys in response to a major fall in relative sea level at 30 Ma and were later submerged by a combination of relative sea-level rise and concomitant tectonic activity. -from Authors",
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AU - Decelles, Peter G

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AB - Major erosion surfaces cutting into basement rocks define several submarine paleocanyons. Paleocanyon fills consist of large, lenticular conglomerate bodies that are 200-580 m thick and 3-6 km wide. The best example of these paleocanyons is located near the town of Stilo. The conglomeratic canyon fill and the adjacent muddy slope deposits are both overlain by a laterally continuous sequence, 160 m thick, composed of two units of fine-grained, thin-bedded turbidites alternating with two units of thicker sandstone and minor pebble-conglomerate beds. The paleocanyons probably originated as subaerial valleys in response to a major fall in relative sea level at 30 Ma and were later submerged by a combination of relative sea-level rise and concomitant tectonic activity. -from Authors

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