造山纪
Also known as Orosirian Period, Orosirian System
The Orosirian (; , meaning "mountain range") is the third geologic period in the Paleoproterozoic Era. It spans 250 million years and lasted from to million years ago (Ma), following the Rhyacian Period and preceding the Statherian Period. Instead of being based on stratigraphy, these dates are defined chronometrically.
Key facts
- Geologic timespan.name
- Orosirian
- Geologic timespan.color
- Orosirian
- Geologic timespan.top_bar
- all time
- Geologic timespan.image_map
- 2000 Ma paleoglobe.png
- Geologic timespan.caption_map
- A map of Earth as it appeared during the early Orosirian, c. 2 Ga
- Geologic timespan.timeline
- Orosirian
- Geologic timespan.name_formality
- Formal
- Geologic timespan.celestial_body
- earth
- Geologic timespan.usage
- Global (ICS)
- Geologic timespan.timescales_used
- ICS Time Scale
- Geologic timespan.chrono_unit
- Period
- Geologic timespan.strat_unit
Article · 中文
造山纪（Orosirian，符号PP3）是地质时代中的一个纪，开始于同位素年龄20億5000萬年前，结束于18億年前。 造山纪期间蓝藻、细菌繁盛。 造山纪属于前寒武纪元古宙古元古代；造山纪的上一纪为层侵纪，下一纪为固结纪。
Abstract from DBpedia / Wikipedia · CC BY-SA