#: locale=en ## Action ### URL PopupWebFrameBehaviour_6647A992_721C_349E_41C3_4EDC8D885CD7.url = //www.youtube.com/embed/Iptp2amLyF4 PopupWebFrameBehaviour_61E1073B_71EC_DD8E_41CD_9FA8BFA74FC2.url = //www.youtube.com/embed/Qe4UmZYsTpQ PopupWebFrameBehaviour_607A1702_71FC_3D7E_41D2_85BF578E9822.url = //www.youtube.com/embed/ln42vKeDU0U ## Hotspot ### Text HotspotPanoramaOverlayTextImage_BBB28CA1_ADE8_96D6_41B9_2129A826441E.text = As the outlet glaciers melt and recede, pro-glacial lakes form behind the terminal moraines. When large amounts of meltwater occur, a braided delta is formed out in front of the melting ice. HotspotPanoramaOverlayTextImage_BE85A1DA_ADE9_8E6A_41C8_DC14F11A231A.text = Consider this sub-rounded boulder of different composition than the underlying bedrock? How did it get here, how might it be evidence that the ice sheet was here? HotspotPanoramaOverlayTextImage_B52FADFA_ADA9_962A_41E3_8F707C67AC8B.text = Glacial abrasion has smoothed over the bedrock in this area, indicating an area of faster ice flow. HotspotPanoramaOverlayTextImage_B5F4885F_AD99_BE6A_41B9_86403BE464B5.text = Grooves in the bedrock are caused by subglacial fluvial erosion due to the high pressures and course-grained sediments. HotspotPanoramaOverlayTextImage_B5D34656_ADA8_B27A_41CE_4B852A57E9F5.text = In the distance at the ice sheet margin, outlet streams of meltwater flow from the terminus and form braided channels. This region of meandering streams and gravel deposits is called glacial outwash. HotspotPanoramaOverlayTextImage_823D2806_F0AE_5369_41E3_5A450E574C9F.text = Lateral Moraine HotspotPanoramaOverlayTextImage_A6C4EFD7_EF9E_6C97_41C0_4F35EB635110.text = Lateral Moraine HotspotPanoramaOverlayTextImage_BA3AB0A0_ADB7_8ED6_41E4_549AFDEBE7A2.text = Note the glacial smoothing and polish (shimmery/reflective surface) on the bedrock. HotspotPanoramaOverlayTextImage_B653D248_AE7F_9256_41E1_5D0CFB9BAB6B.text = Note the large scale abrasion of the rock cliff. The steep cliff face was formed by glacial plucking/quarrying. HotspotPanoramaOverlayTextImage_B53387F7_AD99_B23A_41E1_62BF1AB9BD77.text = Note the linear features in the bedrock. At first glance they appear to be striations but they are foliations in the gneissic bedrock. However, the flat, planar surface is still evidence for glacier abrasion. HotspotPanoramaOverlayTextImage_65E5005A_721C_D38E_41B2_DB13E1013110.text = Scene 1 \ HotspotPanoramaOverlayTextImage_6947E377_7214_5586_41C4_5413E50E8EFD.text = Scene 2 HotspotPanoramaOverlayTextImage_6413A777_7213_FD86_41D9_1882E3CFAD6C.text = Scene 2 HotspotPanoramaOverlayTextImage_5378D7C7_7214_7C86_418B_31C9387FE9AF.text = Scene 3 HotspotPanoramaOverlayTextImage_56D919F6_722C_D486_41C3_59DFDFDCB4EE.text = Scene 3 \ HotspotPanoramaOverlayTextImage_54B3966C_722C_5F8A_41D6_F838BFB75E45.text = Scene 4 \ HotspotPanoramaOverlayTextImage_561A4085_722C_737A_41CC_197F245AB310.text = Scene 4 \ HotspotPanoramaOverlayTextImage_68610BF7_7214_5486_41A6_1B8E6022DF09.text = Scene 5 HotspotPanoramaOverlayTextImage_53B54269_722C_578A_41B8_CEEFE85C8553.text = Scene 5 HotspotPanoramaOverlayTextImage_5B473A4E_7234_3786_41D0_3FB195904BB9.text = Scene 6 HotspotPanoramaOverlayTextImage_6B05173E_721C_3D86_41D8_73D352D30B08.text = Scene 6 \ HotspotPanoramaOverlayTextImage_6A1F3D78_721D_ED8A_41C3_D2E2E9C3DA19.text = Scene 7 HotspotPanoramaOverlayTextImage_5BDE2631_7234_7F9A_41BC_01F820C44D69.text = Scene 7 \ HotspotPanoramaOverlayTextImage_5EA9E221_7235_D7BA_41B1_888A3DB8AFA6.text = Scene 8 HotspotPanoramaOverlayTextImage_6FFD4EC8_7214_6C8A_41B8_1ACE96BF06E1.text = Scene 8 HotspotPanoramaOverlayTextImage_6E421F2E_7214_2D86_41CF_46B4979D64E4.text = Scene 9 HotspotPanoramaOverlayTextImage_B36CC8D3_EF93_B4EF_41E7_077C875220A9.text = Terminal Moraine HotspotPanoramaOverlayTextImage_BFF90B62_ADF8_B25A_41DA_BD9B7BEE4A23.text = Terminal moraines are comprised of till and form at the edge of the ice sheet through several processes, including transport of debris within or atop the ice and during ablation (melting) which leaves the entrained sediment behind. HotspotPanoramaOverlayTextImage_BA1DD2E2_AD97_925A_41CA_D7C5BC20A52B.text = Terminal moraines are formed at the edge of the ice sheet through several processes, including being pushed by the ice, as well as ablation as the ice melts and leaves the sediment behind.  HotspotPanoramaOverlayTextImage_B7128A32_AE68_923A_41BE_4A7AB3D34386.text = The downstream side of the bedrock has been quarried and steepened, while the upstream sides have been rounded, indicating glacier flow from right to left. HotspotPanoramaOverlayTextImage_B72E0765_AE69_925E_41E1_2766AE2E0955.text = The ice sheet margin is 33 km up-valley to the northeast. HotspotPanoramaOverlayTextImage_B7927B61_AE69_B256_41D2_31DAC9EBB678.text = The outlet of Sondre Stromfjord (Kangerlussuaq Fjord) is 160 km to the southwest, where it meets the Labrador Sea. HotspotPanoramaOverlayTextImage_B537DA6E_ADA8_922A_41D6_C67DD61C4708.text = The sculpted and smoothed rock surface is due to the process of glacial abrasion. Abrasion is caused by entrained rocks grinding over the bed, acting like sandpaper, resulting in smoothed, polished, or grooved surfaces. HotspotPanoramaOverlayTextImage_BB1F4768_AD9B_9256_41E0_852AFB350BF9.text = Till is a heterogenous mix of poorly sorted sedimentary material (grain sizes from sand to large boulders) that has been glacially deposited. HotspotPanoramaOverlayTextImage_B6C4FC96_AE7B_76FA_41C9_2B72BAE9E919.text = You are near the head of the fjord where glacial meltwater and seawater form a brackish mix. Old marine fossil beds abound in this area. When the tide goes out the fossil beds gets exposed. 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smoothing of the bedrock are evidence that the ice sheet margin once extended over this area. panorama_324E8C5D_3E96_CC34_41C8_4A20D902686D.subtitle = In this scene look for examples of erosional landform features which are caused by the erosive power of the ice flowing over the bedrock. Note that the ice sheet is about 1 km away from where we are standing. panorama_3392B373_3EB3_F40C_41C4_E3B43B16E18E.subtitle = In this scene look for large scale erosional landforms, including examples of glacial abrasion- either polish, flattening, or grooves in the bedrock. panorama_32FC720D_3EB1_B414_4191_0ED550571F16.subtitle = In this scene, note the large, broad valley at the head of the glacial fjord. The large-scale bedrock landforms are smoothed and rounded with little vegetation or soils. panorama_33876E50_3E8E_CC0C_41BF_7EB12E8243DB.subtitle = In this scene, note the large, broad valley at the head of the glacial fjord. The large-scale bedrock landforms are smoothed and rounded with little vegetation or soils. panorama_33A211F0_3E92_540C_41B9_1C471E81A0C8.subtitle = Look for examples of both erosional and depositional landforms. Note the bedrock under your feet. Can you determine if the lines you are seeing are glacial rock striations or banding/foliations in the gneissic bedrock? panorama_333EA302_3E9E_D40C_41C1_8EBE6FB48FF6.subtitle = Notice the long linear moraine along the ice sheet margin. The ice sheet has thinned considerably but had been stable for many decades to form such large deposits. panorama_35467ECE_3E92_4C14_4176_74713BC58A92.subtitle = You are standing near the margin of the Greenland Ice Sheet in a landscape that was recently covered by ice. How can you tell? panorama_33387FA5_3E93_CC14_41C5_26B530F65979.subtitle = You are standing on a glacial deposit of till indicating the ice sheet margin once reached further westward. Note the modern terminal and lateral moraines at the ice sheet margin about 2 km away. ### Title map_BF46EEEF_B18E_670E_417A_F61F3F0AB552.label = Floorplan panorama_35467ECE_3E92_4C14_4176_74713BC58A92.label = Scene 1 panorama_33387FA5_3E93_CC14_41C5_26B530F65979.label = Scene 2 panorama_32A2F496_3E93_BC34_4167_D120D2604698.label = Scene 3 panorama_324E8C5D_3E96_CC34_41C8_4A20D902686D.label = Scene 4 panorama_33A211F0_3E92_540C_41B9_1C471E81A0C8.label = Scene 5 panorama_333EA302_3E9E_D40C_41C1_8EBE6FB48FF6.label = Scene 6 panorama_3392B373_3EB3_F40C_41C4_E3B43B16E18E.label = Scene 7 panorama_33876E50_3E8E_CC0C_41BF_7EB12E8243DB.label = Scene 8 panorama_32FC720D_3EB1_B414_4191_0ED550571F16.label = Scene 9 ## Skin ### Image Image_50DCCF60_5C20_A01C_41D5_D0EA1DDEB51D.url = skin/Image_50DCCF60_5C20_A01C_41D5_D0EA1DDEB51D_en.png Image_A27DC77D_AD73_72D1_41DB_747346D93EB7.url = skin/Image_A27DC77D_AD73_72D1_41DB_747346D93EB7_en.jpg Image_EACA82AF_F4B9_7213_41EA_DEC27AD10697.url = skin/Image_EACA82AF_F4B9_7213_41EA_DEC27AD10697_en.png Image_EE5F9AE9_922C_D48A_41CE_47E3C45F899F.url = skin/Image_EE5F9AE9_922C_D48A_41CE_47E3C45F899F_en.png ### Multiline Text HTMLText_316015CA_3EB3_BC1C_41C5_15F9F2E8E7C9.html =
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## Tour ### Description ### Title tour.name = Module 2.1