fossil track造句
例句與造句
- This is also evidenced by fossil tracks that have been found.
- Over 9, 000 fossil tracks are said to be found within this formation.
- The fossil tracks at the abandoned quarry have been known for more than a decade.
- Besides the fossil bones, Lourinh?Formation is well known for the fossil tracks and fossilized dinosaur eggs.
- Rock slabs with other Connecticut Valley fossil tracks, including large four-toed Otozoum tracks with visible skin impressions, can also be seen.
- It's difficult to find fossil track in a sentence. 用fossil track造句挺難的
- Although no fossil tracks are known to be visible on Little Tom, undoubtedly many are preserved deep within the sandstone layers on the property.
- "' Dinosaur State Park and Arboretum "'is a state owned and operated natural history Jurassic-era sandstone-embedded fossil tracks date from about 200 million years ago.
- In addition to fossil tracks, the museum displays the skeleton of a woolly mammoth, and the skeletal legs of an 87-foot-long Diplocodus, a giant plant-eating dinosaur.
- Trilobites were the principal life-form of the sea bed, and fossil tracks can be seen in the Potsdam sandstone floor of the Paul Smiths Visitor Interpretive Center.
- One way to examiniethis issue depends on the analysis of fossil tracks left on wet sand, but the interpretation of possible pterosaur trackways spurred many disagreements at the meeting.
- Even if police find a fossil track being sold on eBay or at a flea market, it can be almost impossible to prove it was poached from public land.
- Several structural features such as ripple marks, sand dune deposits, rain patches, slump marks, and fossil tracks are not only well preserved within the formation, but also contribute evidence of its eolian origin.
- The shapes of the narrow fossil tracks _ sometimes straight for a centimeter or two and sometimes curved or even doubling back in a " U " _ are " strong evidence for a biological origin,"
- A cattle path through the forest formerly crossed the fossil tracks and caused accelerated erosion at that point, but since 2001 the vegetation around the tracks has been cleared away and the exposed rock protected by fencing.
- In the field of ichnology, Brand, along with Thu Tang, Andrew A . Snelling, and Steven Austin has proposed that fossil tracks in the Grand Canyon's Coconino Sandstone point to underwater deposition, rather than desert wind deposition of dry sand.
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