Chazy Formation

（重定向自Chazyan）

Stromatoporoid at Fisk Quarry, Isle La Motte, Vermont

Chazy fossils (rhaphanocrinus gemmeus), New York State Museum, 1902

The Chazy Reef Formation is a mid-Ordovician limestone deposit in northeastern North America.

It consists of some of the oldest reef systems built by a community of organisms rather than the deposit of a limited range of similar organisms, such as Stromatolite mounds deposited by ancient cyanobacteria. The reef structure was formed largely by cryptostome and trepostome bryozoa, some of the oldest known bryozoans, but corals made an early appearance, and stromatoporoids.

单词	Chazyan
释义	Chazyan /ʃei'zi:ən/ 英汉-汉英词典夏西统词组 \| 习惯用语您要查找的是不是： chancy adj. 不确实的；偶然发生的；不安的 chasten vt. 惩罚；磨炼；抑制 chasing n. 雕镂术；车螺丝雕镂；铸件最后抛光 v. 追赶（chase的ing形式） Chazyan n. 恰祖亚阶；[地质] 夏西统网络短语: Chazyan series 瑟西统 Chazyan Age 瑟西期英语百科 Chazy Formation （重定向自Chazyan） The Chazy Reef Formation is a mid-Ordovician limestone deposit in northeastern North America. It consists of some of the oldest reef systems built by a community of organisms rather than the deposit of a limited range of similar organisms, such as Stromatolite mounds deposited by ancient cyanobacteria. The reef structure was formed largely by cryptostome and trepostome bryozoa, some of the oldest known bryozoans, but corals made an early appearance, and stromatoporoids.
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Chazyan /ʃei'zi:ən/

您要查找的是不是：

网络短语:

Chazy Formation