|
Stage
|
Age (Ma) CGTS 2008
|
GSSP Location
|
Latitude, Longitude
|
Boundary Level
|
Correlation Events
|
Status
|
Reference
|
| Quaternary System |
| Holocene Series |
|
Holocene Stage
| 0.011784 |
NorthGRIP ice core, central Greenland |
75.1000°N 42.3200°W |
1492.45m depth in Borehole NGRIP2 |
Climatic -- End of the Younger Dryas cold spell, which is reflected
in a shift in deuterium excess values |
Ratified 2008 |
Episodes 31/2, 2008; J. Quaternary Sci., Vol. 24 pp. 3–17, 2009 |
| Pleistocene Series |
|
Tarantian Stage | 0.126 |
Amsterdam-Terminal borehole, Netherlands |
52.3792°N 4.9144°E |
63.5 m below surface |
Climatic -- Base of the Eemian interglacial stage (= base of marine
isotope stage 5e) before final glacial episode of Pleistocene. Base of
Tyrrhrenian regional stage of Mediterranean |
Accepted by ICS in 2008, on hold by IUGS |
Episodes 31/2, 2008 |
|
Ionian Stage | 0.781 |
Candidate sections in Italy (Montalbano Jorica or Valle di Manche) and Japan (Chiba) |
|
|
Magnetic -- Brunhes-Matuyama magnetic reversal (base of Chron 1n) |
Anticipated 2009 |
|
|
Calabrian Stage
| 1.806 |
Vrica, Italy |
39.0385°N 17.1348°E |
base of the marine claystone overlying the sapropelic marker Bed
'e' (Mediterranean Precession Related Sapropel, MPRS 176) |
Magnetic -- ~15 kyr after end of Olduvai (C2n) normal polarity chron |
Ratified 1985 |
Episodes 8/2, p. 116 – 120, 1985 |
|
Gelasian Stage
| 2.588 |
Monte San Nicola, Sicily, Italy |
37.1469°N 14.2035°E |
base of marly layer overlying sapropel MPRS 250 |
Magnetic -- Matuyama/Gauss boundary (C2r/C2An) is 1m below GSSP. GSSP
level is within Marine Isotope Stage 103. |
Ratified 1996 |
Episodes 21/2, p. 82–87, 1998 |
| Neogene System |
| Pliocene Series |
|
Piacenzian Stage
| 3.6 |
Punta Piccola, Sicily, Italy |
37.2889°N 13.4933°E |
base of the beige marl bed of small-scale carbonate cycle 77 (MPRS
347) |
Magnetic -- Gauss/Gilbert (C2An/C2Ar) magnetic reversal is recorded
immediately above the GSSP |
Ratified 1997 |
Episodes 21/2, p. 88–93, 1998 |
|
Zanclean Stage
| 5.332 |
Eraclea Minoa, Sicily, Italy |
37.3917°N 13.2806°E |
base of the Trubi Formation which corresponds to Insolation cycle 510 |
Magnetic -- base of the Thvera magnetic event (C3n.4n) is
only 96 kyr (5 precession cycles) younger than the GSSP. |
Ratified 2000 |
Episodes 23/3, p. 179 – 187, 2000 |
| Miocene Series |
|
Messinian Stage
| 7.246 |
Oued Akrech, Morocco |
33.9369°N 6.8125°W |
reddish layer of sedimentary cycle number 15 |
Planktonic foraminifer first regular occurrence of Globorotalia
miotumida, and calcareous nannofossil FAD
Amaurolithus delicatus |
Ratified 2000 |
Episodes 23/3, p. 172 – 178, 2000 |
|
Tortonian Stage
| 11.608 |
Monte dei Corvi Beach, near Ancona, Italy |
43.5867°N 13.5694°E |
mid-point of sapropel layer of basic cycle number 76. |
Calcareous nannofossil last common occurrence of Discoaster
kugleri |
Ratified 2003 |
Episodes 28/1, p. 6 - 17, 2005 |
|
Serravallian Stage | 13.82 |
Ras il Pellegrin section, Fomm Ir-Rih Bay, west coast of Malta |
35.9139°N 14.3361°E |
formation boundary between the Globigerina Limestone and Blue Clay |
Oxygen-isotopic event (global cooling episode) Mi3b; near calcareous
nannofossil LAD of Sphenolithus heteromorphus |
Ratified 2007 |
|
|
Langhian Stage | 15.97 |
Potentially in astronomically-tuned ODP core (Leg 154) or in Italy (Moria or La Vedova ) |
|
|
Near planktonic foraminifer FAD of Praeorbulina glomerosa and
top of magnetic polarity chronozone C5Cn.1n |
|
|
|
Burdigalian Stage | 20.43 |
Potentially in astronomically-tuned ODP core |
|
|
Near planktonic foraminifer FAD of Globigerinoides
altiaperturus or near top of magnetic polarity chronozone C6An |
|
|
|
Aquitanian Stage
| 23.03 |
Lemme-Carrioso Section, Allessandria Province, Italy |
44.6589°N 8.8364°E |
35m from the top of the section |
Magnetic -- base of Chron C6Cn.2n; planktonic
foraminifer FAD of Paragloborotalia kugleri;
calcareous nannofossil near LAD Reticulofenestra bisecta (base
Zone NN1); Oxygen isotopic event Mi-1. |
Ratified 1996 |
Episodes 20/1, p. 23 – 28, 1997 |
| Paleogene System |
| Oligocene Series |
|
Chattian Stage | 28.4 ± 0.1 |
Possibly Monte Cagnero, Umbria-Marche region, Italy |
|
|
Potentially extinction of planktonic foraminifer
Chiloguembelina (base
Foram Zone P21b); or an isotopic/climatic event |
|
|
|
Rupelian Stage
| 33.9 ± 0.1 |
Massignano, near Ancona, Italy |
43.5328°N 13.6011°E |
base of a 0.5m thick greenish-grey marl bed 19m above base of section |
Foraminifer LAD Hantkenina and Cribrohantkenina |
Ratified 1992 |
Episodes 16/3, p.379 - 382, 2001 |
| Eocene Series |
|
Priabonian Stage | 37.2 ± 0.1 |
Alano section, Piave River; Veneto Prealps, Belluno province, N. Italy |
|
Tiziano Bed |
Calcareous nannofossil near FAD
Chiasmolithus oamaruensis (base
Zone NP18) |
|
|
|
Bartonian Stage | 40.4 ± 0.2 |
Contessa highway section near Gubio, Central Apennines, Italy |
|
|
Calcareous nannofossil near LAD Reticulofenestra reticulata |
|
|
|
Lutetian Stage | 48.6 ± 0.2 |
candidate is Agost section, Murcia province, Betic Cordilleras, Spain |
|
|
Planktonic foraminifer FAD of Hantkenina |
|
|
|
Ypresian Stage
| 55.8 ± 0.2 |
Dababiya, near Luxor, Egypt |
25.5000°N 32.5311°E |
base of Bed 1 in DBH subsection |
Carbon Isotope Excursion base, initiation of basal Eocene Thermal
maximum ("PETM") |
Ratified 2003 |
Micropaleontology 49/1, p.41 – 59, 2003; Episodes 30/4, p. 271 - 286, 2007 |
| Paleocene Series |
|
Thanetian Stage | 58.7 ± 0.2 |
Zumaia section, northern Spain |
43.3006°N 2.2594°W |
30.5m above the base of Itzurun Formation |
Magnetic -- Base of Chron C26n |
Ratified 2008 |
|
|
Selandian Stage | 61.1 ± 0.2 |
Zumaia section, northern Spain |
43.3006°N 2.2594°W |
base of the red marls of Itzurun Formation |
Onset of a carbon isotope shift and sea-level drop |
Ratified 2008 |
|
|
Danian Stage
| 65.5 ± 0.3 |
Oued Djerfane, west of El Kef, Tunisia |
36.1537°N 8.6486°E |
reddish layer at the base of the 50cm thick, dark boundary clay |
Iridium geochemical anomaly. Associated with a major extinction
horizon (dinosaurs, ammonites, foraminifers, etc.) |
Ratified 1991 |
Episodes 29/4, p. 263 – 278, 2006 |