A Geological meme (from Geotripper via Hypo-theses)
The ones I have done are in bold, was going very well until the Great Barrier Reef, in the end I scored 68 which I guess isn't too bad - A couple of good ones to aim for!
1. See an erupting volcano (Arenal Costa Rica)
2. See a glacier (Norway, Svalbard, New Zealand)
3. See an active geyser such as those in Yellowstone, New Zealand or the type locality of Iceland (Yellowstone)
4. Visit the Cretaceous/Tertiary (KT) Boundary. Possible locations include Gubbio, Italy, Stevns Klint, Denmark, the Red Deer River Valley near Drumheller, Alberta. (Utah and on the Isle of Wight)
5. Observe (from a safe distance) a river whose discharge is above bankful stage (Numerous times)
6. Explore a limestone cave. Try Carlsbad Caverns in New Mexico, Lehman Caves in Great Basin National Park, or the caves of Kentucky or TAG (Tennessee, Alabama, and Georgia) (Utah, South Wales, Peak District)
7. Tour an open pit mine, such as those in Butte, Montana, Bingham Canyon, Utah, Summitville, Colorado, Globe or Morenci, Arizona, or Chuquicamata, Chile. (Several including Chuqi)
8. Explore a subsurface mine. (Several)
9. See an ophiolite, such as the ophiolite complex in Oman or the Troodos complex on the Island Cyprus (Oman and Troodos).
10. An anorthosite complex, such as those in Labrador, the Adirondacks, and Niger (Harris).
11. A slot canyon. Many of these amazing canyons are less than 3 feet wide and over 100 feet deep. They reside on the Colorado Plateau. Among the best are Antelope Canyon, Brimstone Canyon, Spooky Gulch and the Round Valley Draw.(Utah)
12. Varves, whether you see the type section in Sweden or examples elsewhere. (Norway)
13. An exfoliation dome, such as those in the Sierra Nevada. (Half Dome, Granite Tors, Devon)14. A layered igneous intrusion, such as the Stillwater complex in Montana or the Skaergaard Complex in Eastern Greenland. (St David's Head Sill, Pembrokeshire)
15. Coastlines along the leading and trailing edge of a tectonic plate (check out The Dynamic Earth - The Story of Plate Tectonics - an excellent website). (Chile)
16. A gingko tree, which is the lone survivor of an ancient group of softwoods that covered much of the Northern Hemisphere in the Mesozoic. (Keele Uni)
17. Living and fossilized stromatolites (Several in the field but not the modern ones)
18. A field of glacial erratics (Norway)
19. A caldera (Utah, Navada, Chile)
20. A sand dune more than 200 feet high (Namib Desert)
21. A fjord (I live in one!)
22. A recently formed fault scarp (Chile, Houston)
23. A megabreccia (Gwna Melange, Anglesey)
24. An actively accreting river delta (Numerous)
25. A natural bridge (Utah)
26. A large sinkhole (Gaping Ghyll, Yorkshire)
27. A glacial outwash plain (Norway, New Zealand)
28. A sea stack (several, even climbed some)
29. A house-sized glacial erratic (Norway)
30. An underground lake or river (Several)
31. The continental divide (Colorado, Pyrenees and Alps)
32. Fluorescent and phosphorescent minerals (Only in the lab)
33. Petrified trees (several, in the field in Argentina and Namibia)
34. Lava tubes (Argentina)
35. The Grand Canyon. All the way down. And back (on a raft).
36. Meteor Crater, Arizona, also known as the Barringer Crater, to see an impact crater on a scale that is comprehensible
37. The Great Barrier Reef, northeastern Australia, to see the largest coral reef in the world.
38. The Bay of Fundy, New Brunswick and Nova Scotia, Canada, to see the highest tides in the world (up to 16m)
39. The Waterpocket Fold, Utah, to see well exposed folds on a massive scale.
40. The Banded Iron Formation, Michigan, to better appreciate the air you breathe.
41. The Snows of Kilimanjaro, Tanzania,
42. Lake Baikal, Siberia, to see the deepest lake in the world (1,620 m) with 20 percent of the Earth’s fresh water.
43. Ayers Rock (known now by the Aboriginal name of Uluru), Australia. This inselberg of nearly vertical Precambrian strata is about 2.5 kilometers long and more than 350 meters high
44. Devil’s Tower, northeastern Wyoming, to see a classic example of columnar jointing
45. The Alps.
46. Telescope Peak, in Death Valley National Park. From this spectacular summit you can look down onto the floor of Death Valley - 11,330 feet below.
47. The Li River, China, to see the fantastic tower karst that appears in much Chinese art
48. The Dalmation Coast of Croatia, to see the original Karst.
49. The Gorge of Bhagirathi, one of the sacred headwaters of the Ganges, in the Indian Himalayas, where the river flows from an ice tunnel beneath the Gangatori Glacier into a deep gorge.
50. The Goosenecks of the San Juan River, Utah, an impressive series of entrenched meanders.
51. Shiprock, New Mexico, to see a large volcanic neck
52. Land’s End, Cornwall, Great Britain, for fractured granites that have feldspar crystals bigger than your fist.
53. Tierra del Fuego, Chile and Argentina, to see the Straights of Magellan and the southernmost tip of South America.
54. Mount St. Helens, Washington, to see the results of recent explosive volcanism.
55. The Giant’s Causeway and the Antrim Plateau, Northern Ireland, to see polygonally fractured basaltic flows.
56. The Great Rift Valley in Africa.
57. The Matterhorn, along the Swiss/Italian border, to see the classic “horn”.
58. The Carolina Bays, along the Carolinian and Georgian coastal plain
59. The Mima Mounds near Olympia, Washington
60. Siccar Point, Berwickshire, Scotland, where James Hutton (the “father” of modern geology) observed the classic unconformity
61. The moving rocks of Racetrack Playa in Death Valley
62. Yosemite Valley
63. Landscape Arch (or Delicate Arch) in Utah
64. The Burgess Shale in British Columbia65. The Channeled Scablands of central Washington
66. Bryce Canyon
67. Grand Prismatic Spring at Yellowstone
68. Monument Valley
69. The San Andreas fault
70. The dinosaur footprints in La Rioja, Spain
71. The volcanic landscapes of the Canary Islands
72. The Pyrennees Mountains
73. The Lime Caves at Karamea on the West Coast of New Zealand
74. Denali (an orogeny in progress)
75. A catastrophic mass wasting event
76. The giant crossbeds visible at Zion National Park
77. The black sand beaches in Hawaii (or the green sand-olivine beaches)
78. Barton Springs in Texas
79. Hells Canyon in Idaho
80. The Black Canyon of the Gunnison in Colorado
81. The Tunguska Impact site in Siberia
82. Feel an earthquake with a magnitude greater than 5.0.
83. Find dinosaur footprints in situ (several in Utah, UK)
84. Find a trilobite (or a dinosaur bone or any other fossil) (lots of dinosaur bones and even a few trilobites)
85. Find gold, however small the flake (panning in Wales)
86. Find a meteorite fragment (Namibia)
87. Experience a volcanic ashfall
88. Experience a sandstorm (Namibia)
89. See a tsunami
90. Witness a total solar eclipse
91. Witness a tornado firsthand.
92. Witness a meteor storm, a term used to describe a particularly intense (1000+ per minute) meteor shower
93. View Saturn and its moons through a respectable telescope.
94. See the Aurora borealis, otherwise known as the northern lights.
95. View a great naked-eye comet, an opportunity which occurs only a few times per century (Hale-Bopp)
96. See a lunar eclipse
97. View a distant galaxy through a large telescope
98. Experience a hurricane
99. See noctilucent clouds (in Svalbard)
100. See the green flash (What is that???)