Geologic History of the Illinois Valley Mike Phillips Geology Professor Illinois Valley Community...
-
Upload
jonathan-wilkins -
Category
Documents
-
view
215 -
download
0
Transcript of Geologic History of the Illinois Valley Mike Phillips Geology Professor Illinois Valley Community...
![Page 1: Geologic History of the Illinois Valley Mike Phillips Geology Professor Illinois Valley Community College.](https://reader034.fdocuments.us/reader034/viewer/2022051622/5697c0231a28abf838cd43c4/html5/thumbnails/1.jpg)
Geologic History Geologic History of the Illinois of the Illinois
ValleyValleyMike PhillipsMike Phillips
Geology ProfessorGeology ProfessorIllinois Valley Community Illinois Valley Community
CollegeCollege
![Page 2: Geologic History of the Illinois Valley Mike Phillips Geology Professor Illinois Valley Community College.](https://reader034.fdocuments.us/reader034/viewer/2022051622/5697c0231a28abf838cd43c4/html5/thumbnails/2.jpg)
![Page 3: Geologic History of the Illinois Valley Mike Phillips Geology Professor Illinois Valley Community College.](https://reader034.fdocuments.us/reader034/viewer/2022051622/5697c0231a28abf838cd43c4/html5/thumbnails/3.jpg)
Illinois RocksIllinois Rocks
Igneous & Metamorphic: in the Igneous & Metamorphic: in the “Basement”“Basement”
Sedimentary: bedrockSedimentary: bedrock Unconsolidated material: on the Unconsolidated material: on the
surfacesurface
![Page 4: Geologic History of the Illinois Valley Mike Phillips Geology Professor Illinois Valley Community College.](https://reader034.fdocuments.us/reader034/viewer/2022051622/5697c0231a28abf838cd43c4/html5/thumbnails/4.jpg)
![Page 5: Geologic History of the Illinois Valley Mike Phillips Geology Professor Illinois Valley Community College.](https://reader034.fdocuments.us/reader034/viewer/2022051622/5697c0231a28abf838cd43c4/html5/thumbnails/5.jpg)
Rocks of Rocks of north-north-central central IllinoisIllinoisExposures in Exposures in
the upper the upper Illinois Valley:Illinois Valley:
OrdovicianOrdovician Ottawa & Ottawa &
Starved RockStarved Rock SilurianSilurian
Des Plaines R.Des Plaines R. PennsylvanianPennsylvanian
remainderremainder
![Page 6: Geologic History of the Illinois Valley Mike Phillips Geology Professor Illinois Valley Community College.](https://reader034.fdocuments.us/reader034/viewer/2022051622/5697c0231a28abf838cd43c4/html5/thumbnails/6.jpg)
Rocks of the central Illinois Rocks of the central Illinois ValleyValley
Ordovician (505 to 438 MYA)Ordovician (505 to 438 MYA) Shakopee Dolostone: shallow marineShakopee Dolostone: shallow marine St. Peter Sandstone: beachSt. Peter Sandstone: beach Galena-Platteville Dolostone: shallow Galena-Platteville Dolostone: shallow
marinemarine Silurian (438 to 417 MYA)Silurian (438 to 417 MYA)
dolostone: shallow marinedolostone: shallow marine Silurian-Mississippian (417 to 320 Silurian-Mississippian (417 to 320
MYA)MYA) No rocks exposed: eroded or not depositedNo rocks exposed: eroded or not deposited LaSalle Anticline: foldLaSalle Anticline: fold
![Page 7: Geologic History of the Illinois Valley Mike Phillips Geology Professor Illinois Valley Community College.](https://reader034.fdocuments.us/reader034/viewer/2022051622/5697c0231a28abf838cd43c4/html5/thumbnails/7.jpg)
Rocks of Rocks of the central the central
Illinois Illinois ValleyValley
Pennsylvanian Pennsylvanian (320 to 286 (320 to 286 MYA)MYA) CarbondaleCarbondale BondBond ModestoModesto
![Page 8: Geologic History of the Illinois Valley Mike Phillips Geology Professor Illinois Valley Community College.](https://reader034.fdocuments.us/reader034/viewer/2022051622/5697c0231a28abf838cd43c4/html5/thumbnails/8.jpg)
Rocks of the central Illinois Rocks of the central Illinois ValleyValley
Pennsylvanian cyclothemsPennsylvanian cyclothems thin layers of varying type in thin layers of varying type in
repeated sequencesrepeated sequences coalcoal sandstonesandstone limestonelimestone shaleshale clayclay
varying coastal env.varying coastal env. fluctuating sea levelfluctuating sea level
![Page 9: Geologic History of the Illinois Valley Mike Phillips Geology Professor Illinois Valley Community College.](https://reader034.fdocuments.us/reader034/viewer/2022051622/5697c0231a28abf838cd43c4/html5/thumbnails/9.jpg)
![Page 10: Geologic History of the Illinois Valley Mike Phillips Geology Professor Illinois Valley Community College.](https://reader034.fdocuments.us/reader034/viewer/2022051622/5697c0231a28abf838cd43c4/html5/thumbnails/10.jpg)
Permian to Permian to QuaternaryQuaternary
(286 to 1.8 (286 to 1.8 MYA)MYA)
erosionerosion
![Page 11: Geologic History of the Illinois Valley Mike Phillips Geology Professor Illinois Valley Community College.](https://reader034.fdocuments.us/reader034/viewer/2022051622/5697c0231a28abf838cd43c4/html5/thumbnails/11.jpg)
![Page 12: Geologic History of the Illinois Valley Mike Phillips Geology Professor Illinois Valley Community College.](https://reader034.fdocuments.us/reader034/viewer/2022051622/5697c0231a28abf838cd43c4/html5/thumbnails/12.jpg)
PleistocenPleistocenee
(1.8 MYA (1.8 MYA toto
10,000 10,000 YA)YA) UnconsolidatUnconsolidat
ed depositsed deposits diamictondiamicton sand and sand and
gravelgravel sand dunes sand dunes
(near the (near the river)river)
loessloess laminated laminated
clayclay
![Page 13: Geologic History of the Illinois Valley Mike Phillips Geology Professor Illinois Valley Community College.](https://reader034.fdocuments.us/reader034/viewer/2022051622/5697c0231a28abf838cd43c4/html5/thumbnails/13.jpg)
TheTheICEICEAGEAGE
![Page 14: Geologic History of the Illinois Valley Mike Phillips Geology Professor Illinois Valley Community College.](https://reader034.fdocuments.us/reader034/viewer/2022051622/5697c0231a28abf838cd43c4/html5/thumbnails/14.jpg)
![Page 15: Geologic History of the Illinois Valley Mike Phillips Geology Professor Illinois Valley Community College.](https://reader034.fdocuments.us/reader034/viewer/2022051622/5697c0231a28abf838cd43c4/html5/thumbnails/15.jpg)
![Page 16: Geologic History of the Illinois Valley Mike Phillips Geology Professor Illinois Valley Community College.](https://reader034.fdocuments.us/reader034/viewer/2022051622/5697c0231a28abf838cd43c4/html5/thumbnails/16.jpg)
![Page 17: Geologic History of the Illinois Valley Mike Phillips Geology Professor Illinois Valley Community College.](https://reader034.fdocuments.us/reader034/viewer/2022051622/5697c0231a28abf838cd43c4/html5/thumbnails/17.jpg)
![Page 18: Geologic History of the Illinois Valley Mike Phillips Geology Professor Illinois Valley Community College.](https://reader034.fdocuments.us/reader034/viewer/2022051622/5697c0231a28abf838cd43c4/html5/thumbnails/18.jpg)
![Page 19: Geologic History of the Illinois Valley Mike Phillips Geology Professor Illinois Valley Community College.](https://reader034.fdocuments.us/reader034/viewer/2022051622/5697c0231a28abf838cd43c4/html5/thumbnails/19.jpg)
![Page 20: Geologic History of the Illinois Valley Mike Phillips Geology Professor Illinois Valley Community College.](https://reader034.fdocuments.us/reader034/viewer/2022051622/5697c0231a28abf838cd43c4/html5/thumbnails/20.jpg)
![Page 21: Geologic History of the Illinois Valley Mike Phillips Geology Professor Illinois Valley Community College.](https://reader034.fdocuments.us/reader034/viewer/2022051622/5697c0231a28abf838cd43c4/html5/thumbnails/21.jpg)
![Page 22: Geologic History of the Illinois Valley Mike Phillips Geology Professor Illinois Valley Community College.](https://reader034.fdocuments.us/reader034/viewer/2022051622/5697c0231a28abf838cd43c4/html5/thumbnails/22.jpg)
![Page 23: Geologic History of the Illinois Valley Mike Phillips Geology Professor Illinois Valley Community College.](https://reader034.fdocuments.us/reader034/viewer/2022051622/5697c0231a28abf838cd43c4/html5/thumbnails/23.jpg)
![Page 24: Geologic History of the Illinois Valley Mike Phillips Geology Professor Illinois Valley Community College.](https://reader034.fdocuments.us/reader034/viewer/2022051622/5697c0231a28abf838cd43c4/html5/thumbnails/24.jpg)
![Page 25: Geologic History of the Illinois Valley Mike Phillips Geology Professor Illinois Valley Community College.](https://reader034.fdocuments.us/reader034/viewer/2022051622/5697c0231a28abf838cd43c4/html5/thumbnails/25.jpg)
![Page 26: Geologic History of the Illinois Valley Mike Phillips Geology Professor Illinois Valley Community College.](https://reader034.fdocuments.us/reader034/viewer/2022051622/5697c0231a28abf838cd43c4/html5/thumbnails/26.jpg)
![Page 27: Geologic History of the Illinois Valley Mike Phillips Geology Professor Illinois Valley Community College.](https://reader034.fdocuments.us/reader034/viewer/2022051622/5697c0231a28abf838cd43c4/html5/thumbnails/27.jpg)
![Page 28: Geologic History of the Illinois Valley Mike Phillips Geology Professor Illinois Valley Community College.](https://reader034.fdocuments.us/reader034/viewer/2022051622/5697c0231a28abf838cd43c4/html5/thumbnails/28.jpg)
![Page 29: Geologic History of the Illinois Valley Mike Phillips Geology Professor Illinois Valley Community College.](https://reader034.fdocuments.us/reader034/viewer/2022051622/5697c0231a28abf838cd43c4/html5/thumbnails/29.jpg)
![Page 30: Geologic History of the Illinois Valley Mike Phillips Geology Professor Illinois Valley Community College.](https://reader034.fdocuments.us/reader034/viewer/2022051622/5697c0231a28abf838cd43c4/html5/thumbnails/30.jpg)
![Page 31: Geologic History of the Illinois Valley Mike Phillips Geology Professor Illinois Valley Community College.](https://reader034.fdocuments.us/reader034/viewer/2022051622/5697c0231a28abf838cd43c4/html5/thumbnails/31.jpg)
![Page 32: Geologic History of the Illinois Valley Mike Phillips Geology Professor Illinois Valley Community College.](https://reader034.fdocuments.us/reader034/viewer/2022051622/5697c0231a28abf838cd43c4/html5/thumbnails/32.jpg)
![Page 33: Geologic History of the Illinois Valley Mike Phillips Geology Professor Illinois Valley Community College.](https://reader034.fdocuments.us/reader034/viewer/2022051622/5697c0231a28abf838cd43c4/html5/thumbnails/33.jpg)
![Page 34: Geologic History of the Illinois Valley Mike Phillips Geology Professor Illinois Valley Community College.](https://reader034.fdocuments.us/reader034/viewer/2022051622/5697c0231a28abf838cd43c4/html5/thumbnails/34.jpg)
![Page 35: Geologic History of the Illinois Valley Mike Phillips Geology Professor Illinois Valley Community College.](https://reader034.fdocuments.us/reader034/viewer/2022051622/5697c0231a28abf838cd43c4/html5/thumbnails/35.jpg)
![Page 36: Geologic History of the Illinois Valley Mike Phillips Geology Professor Illinois Valley Community College.](https://reader034.fdocuments.us/reader034/viewer/2022051622/5697c0231a28abf838cd43c4/html5/thumbnails/36.jpg)
10,000 YA to present10,000 YA to present
![Page 37: Geologic History of the Illinois Valley Mike Phillips Geology Professor Illinois Valley Community College.](https://reader034.fdocuments.us/reader034/viewer/2022051622/5697c0231a28abf838cd43c4/html5/thumbnails/37.jpg)
![Page 38: Geologic History of the Illinois Valley Mike Phillips Geology Professor Illinois Valley Community College.](https://reader034.fdocuments.us/reader034/viewer/2022051622/5697c0231a28abf838cd43c4/html5/thumbnails/38.jpg)
![Page 39: Geologic History of the Illinois Valley Mike Phillips Geology Professor Illinois Valley Community College.](https://reader034.fdocuments.us/reader034/viewer/2022051622/5697c0231a28abf838cd43c4/html5/thumbnails/39.jpg)
Thank YouThank You
Mike PhillipsMike Phillips
Illinois Valley Community CollegeIllinois Valley Community College
www.ivcc.edu/phillipswww.ivcc.edu/phillips
[email protected][email protected]
(815)224-0394(815)224-0394
““The Geologic History of The Illinois Valley”The Geologic History of The Illinois Valley”
June 2006June 2006