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structural_image_index.csv
GHL No | Description |
---|---|
5 | Ripples, Loch Eil Division, LochEil, Northern Highlands of Scotland |
7 | Flame structures, cross bedding & graded bedding, Gander Lake, Newfoundland |
8 | Cross bedding in sandstone |
9 | Flame structures, cross bedding & graded bedding, Gander Lake, Newfoundland |
13 | Mudcracks in shale, Devonian, Wick |
14 | De-watering structure. Torridonian, Diabiag, Skye |
15 | Slumped sandstone between bedded shales, Ganda Bay, Newfoundland |
16 | Ripple drift, Loch Eil Division, LochEil, Northern Highlands of Scotland |
18 | Typical very thin graded unit, Grampian Div., Feshiebridge, Scotland |
21 | Cross bedding,Devonian, Wick |
25 | Sediment washout channel, Ardtoe, Ardnamurchan |
27 | Ripple marks, Devil's Kitchen, Idwal, North Wales |
30 | Current ripples in shale, Enard Bay, Ross & Cromarty |
38 | Convoluted beds, Aberystwth Grits |
43 | Interbedded sandstone and clay layers, Aberystwth Grits |
115 | Ripples on sandy beach, Glenbrittle, Skye |
192 | Convolute bedding, South Stack Gp, Anglesey |
432 | Mudcracks in recent clay |
441 | Cross bedding, Triassic, New Brighton, Wirral |
444 | Distorted bedding, Triassic, Thurstaston Rd cutting , Wirral |
448 | Hardegsen unconformity, Triassic, Thurstaston, Wirral |
454 | Desiccation cracks and birdprints (forming on base of Orton Pit, Peterborough) |
455 | Desiccation cracks (forming on base of Orton Pit, Peterborough) |
456 | Desiccation cracks and rainpits (forming on base of Orton Pit, Peterborough) |
457 | Load structures (pseudonodules), Lower Carboniferous, Ardross, Fife |
458 | Climbing ripples, Lower Carboniferous, Ardross, Fife |
459 | Planar bedding & cross bedding, Lower Carboniferous, Ardross, Fife |
460 | Cross bedding, Triassic, Red Rocks, Wirral |
461 | Ripple marks, Silurian, Marloes |
462 | Flute casts at base of bed, Silurian, Aberystwyth |
463 | Trough cross bedding and included fragments, Silurian, Aberystyth |
489 | Crinan Grits with grading, Port Bealach nan Gall, Scotland |
621 | Marloes - ripple marks (Silurian seds). Marloes, Pembrokeshire |
628 | Marloes - ripple marks in Silurian , Marloes, pembrokeshire |
631 | Laminated sediments, Devonian, Freshwater West, Pembrokeshire |
634 | Cross bedding, Devonian, Freshwater West, Pembrokeshire |
636 | Trace fossil, Devonian, Freshwater West, Pembrokeshire |
637 | Ripple marks, Silurian, Marloes, Pembrokeshire |
638 | Graded bedding in greywacke. Non loc. |
639 | Graded bedding, cross bedding and planar bedding. Non loc. |
640 | Water escape structures in cross laminated sediments. Non loc. |
641 | Flute casts |
642 | Climbing ripples |
643 | Cross bedding in medium to coarse sandstone. |
644 | Climbing ripples |
645 | Asymmetrical ripples |
646 | Scour (filled with gravel showing graded bedding) cutting cross bedded sandstone. |
648 | Cross bedding in medium to coarse sandstone. |
649 | Salt pseudomorphs in silstone, Triassic. Thurstaston, Wirral |
650 | Desiccation cracks on bedding planes. Show sand-filled mud cracks in mudstone beds. |
651 | Flute casts |
652 | Bored surface (hardground) |
653 | Vertical burrows in siltstone. |
654 | Vertical burrows in siltstone. |
655 | Seat-earth: plant rootlets in white layer of sandstone (gannister). Carboniferous. |
656 | Flame structures |
Sedimentary structures
This collection of images show examples of structures, which might be used as illustrations, or to test students' understanding of sedimentary structures.




















































