- the Ludfordian
- Геология: лудфорд, лудфордский, лудфордский век, лудфордский ярус, лудфордское время
Универсальный англо-русский словарь. Академик.ру. 2011.
Универсальный англо-русский словарь. Академик.ру. 2011.
Geology of the North Sea — Contents 1 Tectonic structure 2 Precambrian 3 Finnmarkian, Athollian, Caledonian Orogenies … Wikipedia
Burgsvik beds — The Burgsvik beds are a sequence of shallow marine limestones and sandstones found near the town of Burgsvik in the southern part of Gotland, Sweden. The beds were deposited in the Upper Silurian period, around Ma|420, in warm, equatorial waters… … Wikipedia
Lau event — The Lau event was the last of three [ The Ireviken event and Mulde event, other late Silurian extinction events, were both closely followed by isotopic excursions as was the Lau event.] relatively minor mass extinctions during the Silurian period … Wikipedia
Older Dryas — The Older Dryas was a stadial period between the Bølling and Allerød oscillations during the Pleistocene glacial period of 11,700 12,000 uncalibrated years ago.[1] It is named after an indicator genus, the alpine/tundra plant Dryas, which… … Wikipedia
Allerød oscillation — The Allerød period was a warm and moist global interstadial that occurred at the end of the last glacial period. The Allerød oscillation raised temperatures (in the northern Atlantic region to almost present day levels), before they declined… … Wikipedia
Orosirian — The Orosirian ( /ˌɒrɵˈ … Wikipedia
Mesoarchean — The Mesoarchean ( /ˌmiːz … Wikipedia
Neoarchean — The Neoarchean ( /ˌniː … Wikipedia
Distichophytum — Temporal range: Ludfordian to Emsian[1][2] … Wikipedia
Geologic time scale — This clock representation shows some of the major units of geological time and definitive events of Earth history. The Hadean eon represents the time before fossil record of life on Earth; its upper boundary is now regarded as 4.0 Ga.[1] Other… … Wikipedia
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