The abundent sporo-pollen fossils are commonly found in the cutting and cores in oil and gas exploration. 研究表明 :影响孢粉化石丰富程度的因素主要有古气候、古地貌、沉积环境等 ;通过对孢粉化石丰度、分异度的研究 ,即可恢复古环境。 更多例句>> 4...
4.Now, sauropodfossilsare commonly found with smooth stones.(听力 托福-12)您的浏览器不支持 audio 标签。 现在,蜥脚类化石中常常发现光滑的石头 5.One of the groups whosefossilsare especially common in rocks deposited in fresh water is the lobe-finned fish.(阅读 托福-11)您的浏览器不支持 audio ...
What body fossils are Where fossils are commonly found The definition of trace fossils Skills Practiced Reading comprehension- understand what you have read about how to describe a trace fossil Knowledge application- use what you have learned to explain what sedimentary rock is ...
They are commonly found as fossils, formedwhen the remains or traces of the animal became buried in sediment which later solidified into rock. Ammonites were marine animals and had a coiled external shell similar to the modern pearly nautilus. What do fossil shells on mountain tops tell us? W...
leaving behind an empty space in the shape of the shell or bone. This depression is called amold. Later the space may be filled with other sediments to form a matchingcastin the shape of the original organism. Many mollusks (clams, snails, octopi and squid) are commonly found as molds an...
Brachiopod shells are probably the most commonly found fossils in Kentucky. They are so many different species of fossil brachiopods found in Kentucky, the state simply designated the entire group as the state fossil. Brachiopods are marine animals that superficially resembled clams, but are a ...
How are fossils most commonly formed? What is the largest fossil ever found? How are whole body fossils formed? What is an archaeological dig? What does the fossil record tell us about hominids? Which types of rocks are used in radiometric dating?
"We suggest that Panamacebus was related to the capuchin (also known as "organ-grinder" monkeys) and squirrel monkeys that are found in Central and South America today," said Jonathan Bloch, curator of vertebrate paleontology at the Florida Museum of Natural History on the University of Florida...
2.Glauconite, detrital carbonate skeletal debris, marine fossils, and collophane are commonly present. 海绿石、碳酸盐骨骸碎屑、海相化石和胶磷矿普遍出现。 3.Inland foraminifer fossils are considered as one of good indicators of marine facies. 内陆有孔虫化石群被一些学者视为是海侵或残留海指相化石。 4...
Glauconite, detrital carbonate skeletal debris, marinefossils, and collophane are commonly present. 海绿石 、 碳酸盐骨骸碎屑 、 海相化石和胶磷矿普遍出现. 辞典例句 Differentfossilshave been preserved in different ways - some as moulds or casts. ...