冰川运动论文英语.pdf

《冰川运动论文英语.pdf》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、PollyCaoProfessorWilliamPeckFSEM117Oct17,2014Geology'Paper'Four'...'Glacial'and'Coastal'Geology'I.'Introduction:''The'Chimney'Bluff'state'park'and'Hamilton'area'are'both'located'in'upstate'New'York.'The'Chimney'Bluff'State'park'lies'near'Lake'Ontario.'It'is'characterized'with'chimney.shaped'bluffs

2、,'vertical'cliffs'and'thousands'of'drumlins'lying'on'the'banks.'Rocks'here'also'show'certain'patterns'(based'on'if'they'are'soring'and'layering,'and'their'grain.sizes).'The'Hamilton'area'consists'of'numerous'mountains'that'have'U.shaped'valleys,'scattered'rocks'and'terrace.'All'those'geological'fe

3、atures'indicate'that'those'two'place'places'were'significantly'affected'by'past'glaciation,'and'furthermore,'they'are'shaped'by'other'actions'such'as'water'erosion'and'deposition'after'the'glacier'had'gone.''II.'Methods:''In'each'of'the'locations,'observations'were'made'on'the'valley’s'shape,'eros

4、ion'situation,'layering'and'other'distinctive'features.'Sketches'were'drawn'to'record'and'simplify'the'characteristics.'Rock'sizes'and'types'in'different'places'were'measured'and'recorded'in'order'to'more'get'more'detailed'information'about'the'sorting'and'locating.''The'previous'data'and'sketches

5、'that'were'collected'and'made'couldn’t'show'the'whole'picture'of'the'geological'locality.'As'a'result,'other'tools'should'be'used'to'supplement.'Using'Google'Earth'and'topo'map,'we'were'able'to'get'information'about'the'height'and'trend'of'the'bluff,'and'general'geomorphology'(U.shaped'valleys,'ha

6、nging'valleys,'recessional'moraine,'kettle'lakes,'and'the'outwash'plains)'of'each'place.''''''III.'Results:'1.'Chimney'Bluffs'State'Park:'A.'Beach'Area:'This'beach'is'filled'with'pebbles.'Distinctive'sorting'can'be'observed'as'the'sizes'of'the'rocks'are'mostly'uniform'in'one'place'and'gradually'ch

7、ange'from'one'place'to'another.'The'edges'of'the'stones'are'rounded;'most'of'the'stones'are'flat'and'round.'Most'of'the'rocks'are'limestone'and'sandstone.'Sandbar'can'be'observed.'Also,'the'distinction'between'th