Term
Sedimentary Features: Fossils |
|
Definition
Any trace of ancient life |
|
|
Term
Sedimentary Features: Beds |
|
Definition
Layers of rocks, indicates changes in the environment |
|
|
Term
Sedimentary Features: Nodules |
|
Definition
Rounded rocks of DIFFERENT composition than its host rock. Examples: Flint nodules, septarian nodules, pyrite nodules, geodes |
|
|
Term
Sedimentary Features: Concretion |
|
Definition
Rounded rocks of the SAME composition of its host rock. Examples: Barite Rose Concretion |
|
|
Term
|
Definition
-State rock of Oklahoma -Part of Garber Sandstone -Quartz sand with barite cement |
|
|
Term
|
Definition
List of Rock Sizes= -Boulder...Foot -Cobble -Pebble...thumb -Gravel -Sand...sugar -Silt -Clay...flour |
|
|
Term
|
Definition
Changing of sediment to rock |
|
|
Term
Type of Lithification: Compaction |
|
Definition
Weight of overburden compacts sediment Ex: The leaning tower of pisa |
|
|
Term
Type of Lithification: Cementation |
|
Definition
Water deposits minerals between sediments |
|
|
Term
|
Definition
A) Quartz B) Calcite C) Hematite D) Barite |
|
|
Term
Location example with POOR lithification |
|
Definition
|
|
Term
|
Definition
1) Detrital= "WORN", accumulation of eroded rocks Example= Sandstone
2) Chemical= Chemical precipitates Example: Rock Salt |
|
|
Term
|
Definition
1) Clastic= "BROKEN" make of broken fragments Example: Sandstone (most are quartz)
2) Nonclastic= "NOT BROKEN" made of interlocking crystals Example: Rock Salt |
|
|
Term
Two rocks with clastic textures are... |
|
Definition
Lignite Coal= composed of plants and Coquina= Composed of Calcite |
|
|
Term
How much of the land do sed rocks cover? |
|
Definition
-3/4th of the lands surface -99% of them are the "Big 3" |
|
|
Term
|
Definition
#1= Shale (50%) -_-_-_-_-_ (forms slope)
#2= Sandstone (+25%) :.:.:.:.: (forms cliff)
#3= Limestone (-25%) |_|-|_|- |
|
|
Term
|
Definition
Appearance of sedimentary rocks and change with distance
Under sea to sea level: Lime mud to mud to sand |
|
|
Term
|
Definition
-Made of granite -Was almost made of limestone -Paid for with 3 million aces of land -That land became the XIT ranch |
|
|