Holosen Tengah atau Northgrippium adalah sub-kala kedua dari kala Holosen, yang dimulai dari 8.200 SM hingga 4.200 SM. Sub-kala ini ditentukan dengan kronostratigrafi, dan sudah memiliki GSSP (Global Boundary Stratotype Sections and Points).[1]
Holosen Tengah (Northgrippium) |
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−12 — – −11 — – −10 — – −9 — – −8 — – −7 — – −6 — – −5 — – −4 — – −3 — – −2 — – −1 — – 0 — | | Sub-kala zaman Holosen. Skala vertikal: ribu tahun silam.
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Nama resmi | Formal |
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Nama ratifikasi | 14 Juni 2018[2][3] |
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Benda angkasa | Bumi |
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Penggunaan regional | Global (ICS) |
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Skala waktu | Skala waktu ICS |
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Satuan kronologis | Sub-kala |
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Satuan stratigrafik | Stage |
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Jangka waktu resmi | Formal |
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Ambang batas jangka waktu |
Referensi
- ^ "Geologic TimeScale Foundation - Stratigraphic Information". timescalefoundation.org. Diakses tanggal 2021-08-18.
- ^ a b c Walker, Mike; Head, Martin J.; Berkelhammer, Max; Björck, Svante; Cheng, Hai; Cwynar, Les; Fisher, David; Gkinis, Vasilios; Long, Anthony; Lowe, John; Newnham, Rewi; Rasmussen, Sune Olander; Weiss, Harvey (1 December 2018). "Formal ratification of the subdivision of the Holocene Series/ Epoch (Quaternary System/Period): two new Global Boundary Stratotype Sections and Points (GSSPs) and three new stages/subseries" (PDF). Episodes. Subcommission on Quaternary Stratigraphy (SQS). 41 (4): 213–223. doi:10.18814/epiiugs/2018/018016 . Diakses tanggal 28 August 2020. This proposal on behalf of the SQS has been approved by the International Commission on Stratigraphy (ICS) and formally ratified by the Executive Committee of the International Union of Geological Sciences (IUGS).
- ^ Head, Martin J. (17 May 2019). "Formal subdivision of the Quaternary System/Period: Present status and future directions". Quaternary International. 500: 32–51. doi:10.1016/j.quaint.2019.05.018.