- middle Silurian
- 中志留纪
Atmospheric Sciences (English-Chinese) dictionary. 2014.
middle Silurian
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Silurian — Geological period from=444 middle=429 to=416 o2=14 co2=4500 temp=17The Silurian is a geologic period and system that extends from the end of the Ordovician period, about 443.7 ± 1.5 Ma (million years ago), to the beginning of the Devonian period … Wikipedia
Silurian Period — Interval of geologic time, 443–417 million years ago. The third period of the Paleozoic Era, the Silurian follows the Ordovician Period and precedes the Devonian. It marks the first appearance of land plants and jawed fishes. The continents were… … Universalium
Middle Miocene disruption — The term Middle Miocene disruption, alternatively the Middle Miocene extinction or Middle Miocene extinction peak, refers to a wave of extinctions of terrestrial and aquatic life forms that occurred around the middle of the Miocene Epoch, c. 14.8 … Wikipedia
Middle Jurassic — System Series Stage Age (Ma) Cretaceous Lower Berriasian younger Jurassic Upper Tith … Wikipedia
Middle Pleistocene — Subdivisions of the Quaternary Period System Series Stage Age (Ma) Quaternary Holocene 0–0.0117 Pleistocene Tarantian (Upper) 0.0117–0.126 … Wikipedia
Middle Triassic — System Series Stage Age (Ma) Jurassic Lower Hettangian younger Triassic Upper … Wikipedia
Ordovician–Silurian extinction event — … Wikipedia
Geology of the Australian Capital Territory — Australia grew around three fused pieces of very ancient continental crust (cratons). The geology of the Australian Capital Territory includes rocks dating from the Ordovician around 480 million years ago, whilst most rocks are from the Silurian … Wikipedia
Анаспиды — ? † Анаспиды Pharyngolepis (сверху) и Rhyncholepis (снизу). Крас … Википедия
Fröjel formation — mid Silurian), the sediments represent an unusually high supply of terrigenous sediment into the shallow carbonate platform that was to become the island of Gotland.cite journal doi = 10.1007/s10347 005 0050 0 title = Silurian carbonate platforms … Wikipedia
Oncocerida — Temporal range: Middle Ordovician–Lower Carboniferous … Wikipedia
