| 词汇 | carboniferous |
| 释义 | carboniferous adjective chemistry, geology specializeduk /ˌkɑː.bəˈnɪf.ər.əs/ us /ˌkɑːr.bəˈnɪf.ɚ.əs/ containing or producing carbon: 含碳的;碳质的;产碳的 carboniferous rocks含碳的岩石 Geology: types of rock agglomerate arenaceous arenite asthenosphere asthenospheric emery flinty gneiss intrusive lahar limestone lodestone magma marcasite marl marmoreal mudstone obsidian sandstone schist Carboniferous adjective geology specializeduk /ˌkɑː.bəˈnɪf.ər.əs/ us /ˌkɑːr.bəˈnɪf.ɚ.əs/ from or referring to the period of time, between around 363 and 290 million years ago, when the first reptiles appeared and there were large forests covering the areas that later formed earth's coal layers: 石炭纪（距今约3.63亿至2.9亿年前的地质时期，爬行动物出现，该时期覆盖的广袤森林后来形成了地球的煤层） Sometimes you can see fossilised creatures that lived in the swamps of the Carboniferous era. Taking a closer look at Carboniferous rocks reveals distinct cycles in the rock layers, each covering around 100,000 years. This is what happened in the Carboniferous swamps. The late Carboniferous forests around the northern hemisphere were far more alike than the modern ones. We do know that most coal fields began life as swamps about 300 million years ago in the Carboniferous period. Geology - general words aeolian Anthropocene anticline apophysis auriferous biozone cementation continental plate geomorphic gully erosion henge Holocene hoodoo petrographic petrographically petrography petrological petrologically Precambrian rockfall You can also find related words, phrases, and synonyms in the topics: Prehistory Specific periods of time Carboniferous noun[ S ] geology specializeduk /ˌkɑː.bəˈnɪf.ər.əs/ us /ˌkɑːr.bəˈnɪf.ɚ.əs/ the Carboniferous the period of time, between around 363 and 290 million years ago, when the first reptiles appeared and there were large forests covering the areas that later formed earth's coal layers: Most coal fields began as swamps in the Carboniferous. In the Carboniferous, the Appalachian mountains were about the size of the Himalayas. There were freshwater sharks in the rivers and lakes that dominated the area during the Carboniferous. This creature lived in the Carboniferous, before dinosaurs existed. Slate was originally laid down as layers of fine silt during the Carboniferous. Geology - general words aeolian Anthropocene anticline apophysis auriferous biozone cementation continental plate geomorphic gully erosion henge Holocene hoodoo petrographic petrographically petrography petrological petrologically Precambrian rockfall You can also find related words, phrases, and synonyms in the topics: Prehistory Specific periods of time carboniferous | American Dictionarycarboniferous adjective[ not gradable ] us/ˌkɑr·bəˈnɪf·ər·əs/ earth science containing or producing carbon Examples of carboniferouscarboniferous Carboniferous pteridosperms that comprise a unique and hitherto unrecognized type, characterized by the presence of alkylated phenols. Carboniferous and younger fault lines were reactivated during compression. Carboniferous times and can be separated into several stages as follows. The areas most affected are associated with carboniferous limestones. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 There is carboniferous limestone 30 or 40 feet thick with no covering on the top. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 When one goes back to the coal face, one returns to the carboniferous era and the dark ages. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 Then there are the carboniferous plays in the southern basin. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 It is possible that some groundwater could be made available from the carboniferous stratum, but the quantities are expected to be small and the water quality poor. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 They think that the bacteria and fungi which converted the undergrowth of the carboniferous jungles into coal can be stimulated to carry this process further and so liquefy the coal. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 Carboniferous limestone was chosen for the blanket because of its inert chemical properties and it acts both as a drainage layer and as a working platform for the embankment construction. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 The site consists of a 19.5 ha strip of land surrounding a line of carboniferous limestone cliffs. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It lies on carboniferous limestone with rock showing through the thin topsoils. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The rock quarried was carboniferous mountain limestone which was used for construction and railway ballast. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. He was a leading paleobiologist and carried out some work on carboniferous palaeobotany. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. They are mostly built from the same carboniferous limestone used at the castle. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. See all examples of carboniferous These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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