英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字,中文词皆可:


请选择你想看的字典辞典:
单词字典翻译
349236查看 349236 在百度字典中的解释百度英翻中〔查看〕
349236查看 349236 在Google字典中的解释Google英翻中〔查看〕
349236查看 349236 在Yahoo字典中的解释Yahoo英翻中〔查看〕





安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • Geologic Formations: How Badlands Buttes Came to Be
    There are a number of rock types that can be found in the Badlands The formations in our park contain sandstones, siltstones, mudstones, claystones, limestones, volcanic ash, and shale
  • Geology - npshistory. com
    A quick look at the buttes will show that the Badlands were deposited in layers The layers are sedimentary rocks, composed of minute grains of rock materials that have been cemented into solid form Geologists study sedimentary rocks to determine what type of environment caused the material to accumulate Layers similar in character are grouped into units called formations
  • Badlands - Wikipedia
    Badlands are a type of dry terrain where softer sedimentary rocks and clay -rich soils have been extensively eroded [1] They are characterized by steep slopes, minimal vegetation, lack of a substantial regolith, and high drainage density [2]
  • What Are Badlands? Definition, Formation Examples | Geography Worlds
    Badlands are a type of heavily eroded, arid landscape where soft sedimentary rocks and clay-rich soils have been carved by water and wind into a dramatic maze of steep slopes, narrow ridges, deep gullies, and fantastically shaped rock pillars called hoodoos
  • Badlands National Park Geology
    Over the course of millions of years, the layered rocks of the Badlands were slowly stacked on top of each other like a layer cake These rocks were deposited by a number of natural forces which range from shallow inland seas to rivers to wind
  • What Are Badlands? Geology, Erosion, and Fossils
    Badlands are heavily eroded landscapes made of soft sedimentary rock, carved into dramatic networks of steep ridges, narrow canyons, and flat-topped buttes where almost nothing grows The term applies to any terrain with these features, not just the famous national park in South Dakota
  • badlandsinfo. com » Geology
    On average, Badlands buttes erode one inch each year However, change can occur much slower or faster As the Badlands buttes erode, some of the sediment is washed onto the prairie below, building up its level while the rest is carried by small streams to the White, Bad, and Cheyenne Rivers
  • The Badlands National Park, USA | Geology, Formation
    The rocks in the Badlands are predominantly sedimentary rocks, such as sandstone, mudstone, and limestone, which were formed from the accumulation of sediment over time
  • Geology of Badlands National Park: A Natural Masterpiece
    Badlands National Park occupies a slice of the Great Plains that has witnessed a dramatic geological evolution over the past 75 million years During the Late Cretaceous (~70 Myr ago), the region was a shallow inland sea, depositing thick layers of marine limestone
  • Ecology of Badlands National Park | U. S. Geological Survey
    Sparsely-vegetated formations of sedimentary rock layers and prairie grasses are common in Badlands National Park NPS





中文字典-英文字典  2005-2009