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The dynamics of the earth's outside
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The dynamics of the earth's outside

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  • 1. THE DYNAMICS OF EARTH’S OUTSIDE
  • 2. GEOLOGICAL AGENTS
    • THE PROCESSES CREATED:
    • - MOTION (MOVEMENT)
    • - TRANSPORT
    • - SEDIMENTATION
  • 3. MOTION
    • IT IS THE PROCESS OF CARRYING AWAY THE ORIGINAL MATERIALS
  • 4.  
  • 5.  
  • 6.  
  • 7. TRANSPORT
    • THE MATERIALS TRANSPORTED BY GEOLOGICAL AGENTS ARE CALLED CLASTS .
  • 8. According to the way of transporting Clasts HONDOAN ZEHARREKO GARRAIOA
  • 9.  
  • 10.  
  • 11.  
  • 12.  
  • 13. SEDIMENTATION
    • WHEN GEOLOGICAL AGENTS LOSE THEIR STRENGTH, THEY LEAVE THE MATERIALS ALREADY TRANSPORTED
  • 14.  
  • 15.  
  • 16.  
  • 17.  
  • 18.  
  • 19. THE CLASSIFICATION OF THE GEOLOGICAL AGENTS
    • WIND
    • GLACIERS
    • ROUGH WATERS
    • RIVERS
    • SUBSOIL WATER
    • SEA
  • 20.
    • WIND: in places without plants. In deserts and beaches.
  • 21.
    • GLACIERS: in polar lands and in the tops of the mountains
  • 22.
    • ROUGH WATERS:
    • especially in floods
  • 23.
    • RIVERS:
    • permanent flow
  • 24.
    • SUBSOIL WATER: stones dissolve and caves are created
  • 25.
    • SEA:
    • it influences in the cost
  • 26. WIND
    • ITS MOTION POWER IS NOT STRONG
    • IT TRANSPORTS THE LITTLEST MATERIALS
    • THE SEDIMENTATION CREATED BY THE WIND IS CALLED DUNE.
    • IT CREATES SOME STRUCTURES CALLED LOESS
  • 27.  
  • 28.  
  • 29.  
  • 30.  
  • 31.  
  • 32. GLACIERS
    • IN POLAR ZONES AND IN THE TOP OF THE MOUNTAINS
    • THE SNOW DOESN’T MELT DURING ALL THE YEAR
    • BECAUSE OF GRAVITY, SNOW LAYERS CAN MOVE
    • THERE ARE DIFFERENT KIND OF GLACIERS: ICECAPS AND GLACIERS OF THE ALPS
  • 33.  
  • 34.  
  • 35.  
  • 36. CIRQUE TONGUE
  • 37. Abrupt relief
  • 38. Glacier cirque: snow accumulates
  • 39. The Glaciers’ tongue has the ability to erode and transport
  • 40.  
  • 41. We call moraine to the materials transported and deposited by the glacier
  • 42. Moraines are stones of different seize and form.
  • 43. The valleys of the glaciers have a U form
  • 44. ROUGH WATERS
    • In places with warm climate and little vegetation
    • When there’s strong rain, grooves are created in the land
    • Valleys and Gullies are created
    • Wakes get together and a new river is created.
  • 45.  
  • 46.  
  • 47.  
  • 48.  
  • 49. Maitagarri tximina
  • 50.  
  • 51. RIVERS
    • Rapids are permanent
    • Their valleys have V form
    • In the rivers there are three very different zones
  • 52.  
  • 53. RIVERS’ UPPER COURSE
    • THERE ARE BIG SLOPES
    • VALLEYS ARE NARROW AND THEY HAVE V FORM
    • WATER GOES FAST; SO, IT ERODES SO MUCH.
    • ROCKS ARE BIG
    • RAPIDS, WATERFALLS,…
  • 54.  
  • 55.  
  • 56.  
  • 57.  
  • 58.  
  • 59.  
  • 60. RIVERS’ MEDIUM COURSE
    • SLOPES ARE NOT SO BIG; THAT IS WHY, WATER GOES SLOWERS.
    • THE VALLEY WIDENS: FLOODING PLAIN
    • THERE ARE MEANDERS
    • THE BIGGEST PROCESS IS THE TRANSPORT
    • ROCKS ARE MEDIUM SIZE AND THEY ARE ROUND
  • 61.  
  • 62.  
  • 63.  
  • 64.  
  • 65.  
  • 66. MOTION SEDIMENTS
  • 67.  
  • 68.  
  • 69.  
  • 70.  
  • 71.  
  • 72. RIVERS’ LOW COURSE
    • MAIN PROCESS: SEDIMENTATION
    • WATER GOES SLOWLY
    • ESTUARIES AND DELTAS ARE CREATED
    • VALLEYS ARE ABSOLUTELY FLAT
    • SEDIMENTS: LITTLE SLIMES AND CLAYS
  • 73.  
  • 74.  
  • 75.  
  • 76.  
  • 77.  
  • 78.  
  • 79.  
  • 80. SUBSOIL WATER
    • PART OF THE SURFACE WATER ENTERS THE GROUND.
    • THE CARBONE DIOXIDE (ACID) OF THE WATER DISSOLVES CALCITE
    • HOLES ARE CREATED IN THE SUBSOIL: CAVES
    • WHEN CAVES FALL, SINKHOLES (DOLINES) ARE CREATED
    • IN CAVES, WHEN WATER FALLS DROP BY DROP STALACTITES AND STALAGMITES ARE CREATED
  • 81.  
  • 82.  
  • 83.  
  • 84.  
  • 85.  
  • 86.  
  • 87.  
  • 88.  
  • 89.  
  • 90.  
  • 91.  
  • 92.  
  • 93. SEA
    • THE MOVEMENTS OF THE SEA MAKE THE RELIEFS’ SHAPE CHANGE: WAVES, RAPIDS AND TIDES
    • BETWEEN ALL THE SEA FACTORS, WAVES CREATE THE MAIN EROSION
    • SEA CLIFFS ARE CREATED
  • 94.  
  • 95.  
  • 96.  
  • 97.  
  • 98.  
  • 99. The erosion of the cliffs is not uniform. It depends on the type of the rocks.
  • 100.  
  • 101.  
  • 102.  
  • 103.  
  • 104.
    • The sea transport happens thanks to the waves and the currents
    • The sedimentation of the costs is not regular
    • The forms created: beaches, coastal bars, spits, tombolos…
  • 105.  
  • 106.  
  • 107.  
  • 108.  
  • 109.  
  • 110.  
  • 111. Taking into account the direction of the currents marked in the photo of Getaria; which beach will have a thinner sand?