cyfnodau daearegol
Gwedd
a system of chronological dating that classifies geological strata (stratigraphy) in time
enghraifft o'r canlynol
rhannu i gyfnodau hanesyddol
chronostratigraphic classification scheme
isddosbarth o'r canlynol
safon technegol
astudiwyd gan
chronostratigraphy
geochronology
biostratigraphy
gwefan swyddogol
https://stratigraphy.org/ICSchart/ChronostratChart2020-03.pdf
iaith y gwaith neu'r enw: Saesneg
disgrifiwyd gan y ffynhonnell
Great Soviet Encyclopedia (1926–1947)
mae'r datganiad yn destun o: Q101180162
corff safoni
International Union of Geological Sciences
International Commission on Stratigraphy
ar restr sylw'r prosiect Wikimedia
Wikipedia:Vital articles/Level/4
pwynt mewn amser: 31 Hydref 2022
yn cynnwys
geochronological unit
honir ei fod yr un peth â
geological time
categori Comin
Geologic time scale
prif Nodyn y pwnc
Template:Geologic time scale[8]
Q100869473[10]
Q100869531[11]
Q100870042[12]
Q100870229[13]
Q26108156[14]
prif gategori
Cyfeiriadau
- ↑ Freebase Data Dumps, 28 Hydref 2013
- ↑ https://github.com/JohnMarkOckerbloom/ftl/blob/master/data/wikimap, 3 Ebrill 2019
- ↑ OpenAlex, 26 Ionawr 2022, https://docs.openalex.org/download-snapshot/snapshot-data-format
- ↑ KBpedia, 9 Gorffennaf 2020
- ↑ Nuovo soggettario, https://thes.bncf.firenze.sbn.it/termine.php?id=33748, 15 Mehefin 2021
- ↑ National Central Library of Florence
- ↑ Llyfrgell Genedlaethol Israel
- ↑ Template:Geologic time scale
- ↑ Nodyn:Geology to Paleobiology
- ↑ Q100869473
- ↑ Q100869531
- ↑ Q100870042
- ↑ Q100870229
- ↑ Q26108156