Limestone - Answers The Type of Rock where you can commonly find fossils
Melting Permafrost - Answers Causes Subsidence
Cretaceous-Tertiary Boundary - Answers When the Dino's Became extinct (65 Ma)
Oak Ridges Moraine - Answers Largest Glacial Landform in Southern Ontario
How Many Glaciations have there been in the past 2 Million year? - Answers 50
Erratic Boulders - Answers Are Carried by Glaciers from a distant location. Discovered by Louis
Agassiz
What do Greenstone Belts do? - Answers Record Ancient oceans
Greenstone Belts are made up of.... - Answers Metamorphosed Basalts
Esker - Answers Is made up of sand and gravel from outwash process
Sudbury Basin (1.8 Billion ya) - Answers Ancient meteorite impact crater
Which time period do we currently live in - Answers Holocene
Shatter Cones - Answers A Record of Meteorite Impact
Hydrograph - Answers 1) measures rainfall 2) measures river discharge
Glacier - Answers A Large, perennial mass of ice that forms on land and moves under influence
of gravity
2 Most important types of Glaciers - Answers 1) Valley Glaciers 2) Ice Sheets -> which form Ice
Caps
How does a Glacier Move? - Answers 1)Basal Sliding and 2) Internal Flow
A Receding Glacier.... - Answers has a negative budget
An Advancing Glacier... - Answers has a positive budget
Snow Recrystallizes into.... - Answers Firn which then turns into Glacial Ice
3 Ways Glacial Ice is Ablated (Lost) - Answers 1) Melting 2) breaking off as icebergs 3)
Evaporation of ice into air
Rock Flour - Answers When two rocks are grinding against each other it produces
, Alpine Glaciation - Answers on mountains
Ice Sheet - Answers over continents
Alpine Glaciation on mountains produces... - Answers U-Shaped Valleys
Hanging Valley - Answers Smaller conjoining areas of a main glacier
Aretes - Answers Separate adjacent glacial valleys
What do Tills form? - Answers 1) till plains 2) drumlins 3) moraines
Varves - Answers made of silt and clay and settle in a lake in front of a glacier
Permafrost - Answers ground that has been frozen for two or more years (only top layer is
considered 'active' and can change seasonally)
Thermokarst - Answers Subsidence and collapse of ground surface caused by thawing of
permafrost-> a major issue for urban development in Canada's North
Craton - Answers Consists of geologically distinct provinces which make up North America;
Continent that has been structurally stable for a long period of time
Orogens - Answers deformed rocks that what make up mountains and show where 2 different
land masses were sutured together
North American Craton - Answers Is exposed on the Canadian Shield
Sedimentary Rock - Answers contain rich and some of the oldest fossils (Ediacaran Fauna)
Glacial Depostional Features - Answers Moraines, Drumlin, Plains underlain by till and outwash
Aquifer - Answers A body of saturated rock or sediment through which water can move readily
(confined or unconfined)
Example of a Confined Aquifer - Answers A Well
Example of Unconfined Aquifer - Answers Walkerton Farms
Acasta Gneiss - Answers formed 4 (Ga) in the NWT, now part of the Slave Province of the
Canadian Shield
Cambrian Explosion (540 Ma) - Answers Proliferation of early life forms Ex) Burgess Shale and
the Mistaken Point Formations
Shatter Cones - Answers
Confined Aquifer (Artesian) - Answers completely filled with pressurized water and separated
from the land surface by a relatively impermeable confining bed