蚊帐
发表于 2025-3-23 11:51:31
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专心
发表于 2025-3-23 16:01:09
https://doi.org/10.1057/9781137317421r the succession of occurrence and origin of rocks even within a relatively small area. The determination of synchroneity of events imprinted in rocks of different remote areas becames much more difficult. How is this problem to be solved?
错
发表于 2025-3-23 18:50:24
https://doi.org/10.1007/978-3-030-48622-8t formations and signify a new large stage in the history of the planet; the platform-geosynclinal stage (see below). The term “Archeoprotozoic” here proposed for the era (erathem) seems to be more suitable, for it has a pronunciation similar to the “Archean”, a widely accepted name.
2否定
发表于 2025-3-23 23:05:45
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Baffle
发表于 2025-3-24 03:35:46
The Paleoprotozoic (Archeoprotozoic),t formations and signify a new large stage in the history of the planet; the platform-geosynclinal stage (see below). The term “Archeoprotozoic” here proposed for the era (erathem) seems to be more suitable, for it has a pronunciation similar to the “Archean”, a widely accepted name.
四目在模仿
发表于 2025-3-24 09:38:57
https://doi.org/10.1057/9780230625464S.S.R. recommended attributing these rocks to the Lower Proterozoic, as is done in many other countries. In Canada it is recognized as the Aphebian, in Australia in most cases as the Nullaginian. Following the world stratotype of the erathem — the Karelian Supergroup — it can also be called the Karelian.
Costume
发表于 2025-3-24 12:53:41
The Mesoprotozoic,S.S.R. recommended attributing these rocks to the Lower Proterozoic, as is done in many other countries. In Canada it is recognized as the Aphebian, in Australia in most cases as the Nullaginian. Following the world stratotype of the erathem — the Karelian Supergroup — it can also be called the Karelian.
挑剔小责
发表于 2025-3-24 16:51:13
years ago the Precambrian appeared as an uncertain and even mystic prelude to geologic evolution. Even the very name - Precambrian - means some indi visible unit in the early history of the Earth, the beginning of which is poorly known. At the same time it was obvious that the Precambrian formation
Defraud
发表于 2025-3-24 19:02:24
Labour Conventions and National Law,ich is much shorter than that of other principal units in a general scale of the Precambrian. Moreover, unlike other Precambrian eras and suberas, separated by diastrophic cycles, the Eocambrian is marked by a large orogeny only at its beginning, and its boundary with the Cambrian shows no traces of any important tectonic events.
ingrate
发表于 2025-3-25 01:08:35
The Eocambrian (Vendian sensu stricto),ich is much shorter than that of other principal units in a general scale of the Precambrian. Moreover, unlike other Precambrian eras and suberas, separated by diastrophic cycles, the Eocambrian is marked by a large orogeny only at its beginning, and its boundary with the Cambrian shows no traces of any important tectonic events.