Term
| List 5 reasons why it is important to study mountains |
|
Definition
- They give us beneficial resources
- They have high biodiversity
- Spirituality is associated with mountains
- They help us understand plate tectonics
- They are natural barriers
|
|
|
Term
| 4 factors that caused prehistoric attitudes towards mountains to be negative |
|
Definition
- People thought mythical beasts lived in the mountains
-Volcanoes were a sign of displeasure of mountain gods
- Harsh conditions caused fear
-Altitude sickness |
|
|
Term
| What are the 3 criteria for mountains |
|
Definition
- High relief (300 m)
- steep slopes
- distinct climate and vegetation
|
|
|
Term
| 3 criteria of high mountains |
|
Definition
- Above treeline
- cryonival processes
- evidence of Pleistocene glaciation
|
|
|
Term
| The Himalayas are formed by the collision of these 2 plates |
|
Definition
|
|
Term
| The Andes are formed by the collision of these 2 plates |
|
Definition
|
|
Term
| The cascades are formed by the collision of these 2 plates |
|
Definition
| Juan de fuca and North American plate |
|
|
Term
| The is/ are a good example of a tilted fault-block mountain range |
|
Definition
|
|
Term
| The is/ are and example of a folded mountain range |
|
Definition
|
|
Term
| Density, thickness, and rock type of continental crust |
|
Definition
Density-2.7 g/cm3
Thickness- 25-70 km
Rock type- granitic |
|
|
Term
| Density, thickness, and rock type of oceanic crust |
|
Definition
Density-3 g/cm3
Thickness- 7-10 km
Rock type- basaltic
|
|
|
Term
| The most sacred mountain in the world and its location |
|
Definition
|
|
Term
| The Nevada mountain range is formed by this kind of stress |
|
Definition
|
|
Term
| The flatirons are a good example of this kind of fault |
|
Definition
|
|
Term
| Some characteristics of sacred mountains (5) |
|
Definition
-axis mundi
-local relief
-snow-symbolizes purity
-Gods live in the mountains
-mountains as places of revelation
|
|
|
Term
| Differences between shield volcanoes and composite volcanoes |
|
Definition
Shield- gentle slope, basaltic magma, occur at hot spots
Composite- steep slopes, andesitic/granitic composition, explosive, occur at subduction zones |
|
|
Term
| 3 types of plate collisions, landform associated with each, and an example |
|
Definition
- Oceanic-Oceanic, island arcs, Aleutian islands
- Oceanic-Continental, mountains, Andes
- Continental-continental, complex mountains, Himalayas
|
|
|
Term
| Solar radiation generally with increasing elevation |
|
Definition
|
|
Term
| The name of the feature that connects a supragracial stream to a subglacial stream is a |
|
Definition
|
|
Term
| 4 major controls of mtn climate |
|
Definition
Altitude
Latitude
Topography
Continentiality
|
|
|
Term
| "in tropical mountains it is summer every day and every night" |
|
Definition
|
|
Term
| For an avalanche to occur there must be a layer of snow over a layer of snow |
|
Definition
|
|
Term
| When skiing, always be aware that maximum (type of stress) occurs where there is a roll in the terrain (convexity) |
|
Definition
|
|
Term
| The humidity in the pore space of a seasonal snowpack is always about |
|
Definition
|
|
Term
| The type of solid water intermediate in time and in density between seasonal snow and glacial ice is called |
|
Definition
|
|
Term
| If you are caught in an avalanche, your most likely chances of living are rescue by |
|
Definition
|
|
Term
| An unconsolidated mass of dirt and rocks deposited by a glacier is called a(n) |
|
Definition
|
|
Term
| V-shaped river valleys that have been glaciated become |
|
Definition
|
|
Term
| Ice cores can be used to obtain information of past |
|
Definition
|
|
Term
| Provide 2 synonyms for chinook winds |
|
Definition
| Santa Ana Winds and Zande Winds |
|
|
Term
| If the annual snowfall accumulation is greater than ablation, The ELA will be |
|
Definition
|
|
Term
| What are the 3 conditions necessary for snow to form in the atmosphere? |
|
Definition
- Temp less than or equal to 0 degrees C
- 100% humidity
- Super cooling of water to molecules to ice nuclei (riming)
|
|
|
Term
| Name 4 components of the morphology of a slab avalanche and give the force associated with 3 of the 4 components |
|
Definition
Crown-tension
Staunchwall- compression
Bed- shear
Flanks |
|
|
Term
| A snowpack is composed primarly of these 2 components |
|
Definition
|
|
Term
|
Definition
|
|
Term
| Why don't avalanches occur on slopes above 45 degrees |
|
Definition
| because the shear stress is too strong and gravity is too efficient so snow does not accumulate. |
|
|
Term
| Precursor mountain range to the Colorado Front Range |
|
Definition
|
|
Term
| The Laramide Orogeny was caused by the subduction of the plate |
|
Definition
|
|
Term
| Name 6 Colorado mountain ranges presented in class except the front range and the San Juan Mountains |
|
Definition
- Gore range
- Elk Range
- Park Range
- Mosquito Range
- Never Summer Range
- Collegiate Range
|
|
|
Term
| The granite that forms Half-dome and El Capitan in the Yosemite Valley was emplaced during the Nevadan Orogeny mya |
|
Definition
|
|
Term
| Half-dome and el capitan in Yosemite Valley are glacial feature called |
|
Definition
|
|
Term
| Mineral deposits in Colorado mountains were emplaced during the orogeny |
|
Definition
|
|
Term
| the most important axiom in mountain warfare is: |
|
Definition
| the high ground has the advantage |
|
|
Term
| The mountains to the east of the Himilayas are called the mountains |
|
Definition
|
|
Term
| 4 reasons that mountains act as water towers |
|
Definition
- Glaciers store water
- snowpack stores water
- increase precipitation with increase elevation
- snow melts slowly and it causes an effect similar to drip irrigation
|
|
|
