(Painting by Thomas Moran original is 7x12 feet!!)
Your SW Geology Guides: . . . . Tue, Feb 5, 9:37AM PST (-0800 GMT)
#1 – How old IS the oldest rock formation in the Grand Canyon? button
Your SW Geology Guides: . . . . Tue, Feb 5, 9:37AM PST (-0800 GMT)
#2 – What is the rock from 250 million years ago in the Canyon called and what is it made of ? button
Your SW Geology Guides: . . . . Tue, Feb 5, 9:37AM PST (-0800 GMT)
#3 – One million years ago a layer of rock was laid down that tells us something took place geologically – what is that rock and where would it have come from ? button
Your SW Geology Guides: . . . . Tue, Feb 5, 9:38AM PST (-0800 GMT)
#4 – What cut through these ancient rocks to form the Grand Canyon and when did it happen ? button
Your SW Geology Guides: . . . . Tue, Feb 5, 9:38AM PST (-0800 GMT)
#5 – What different geologic formations and events account for the rock types found in the canyon? button
Painting by Thomas Moran: . . . . Tue, Feb 5, 9:38AM PST (-0800 GMT)
Your SW Geology Guides: . . . . Tue, Feb 5, 9:39AM PST (-0800 GMT)
#6 – Something HUGE in geologic terms was taking place out in what is now California that caused the Colorado Plateau to lift up, tilt, and the rivers to start cutting more deeply into the stone. What was this HUGE geologic event ? button
Mily,Alondra,Mis,barela,Laacd: . . . . Tue, Feb 5, 2:45PM PST (-0800 GMT)
Erosion has exposed rock starta rainnging from the1.7 billion year's old.
Damian, Ms.Barela LAAMS: . . . . Tue, Feb 5, 2:53PM PST (-0800 GMT)
#1 The oldest rock formation was on 4 to 6 millions years ago.
Irma,Andreina,Ms.barela,Laacd: . . . . Tue, Feb 5, 2:55PM PST (-0800 GMT)
#1 Eroesio has explode rock starta raging from the 1.7 billion year's old.
Araceli,Alondra,Ms.Barrela,LAACD: . . . . Tue, Feb 5, 3:13PM PST (-0800 GMT)
1.The oldest rock formation in the grand canyon it is 1.7 year's old.
Juan, Ms.Barela, LAAMS: . . . . Tue, Feb 5, 3:13PM PST (-0800 GMT)
1# The oldest rock is about 1.7 billions year old.
Alondra,Ms.Brrela,LAACAD: . . . . Thu, Feb 7, 0:01PM PST (-0800 GMT)
1.The oldest rock in the Grand Canyon it is 1.7 year's old.
Gerardo,Ms.Barela,LAAMS: . . . . Thu, Feb 7, 0:09PM PST (-0800 GMT)
#1The oldest rock is1,7 billions years old.
Alondra,Ms.Brrela,LAACAD: . . . . Thu, Feb 7, 0:09PM PST (-0800 GMT)
1.The oldest rock in the Grand Canyon it is 1.7 year's old.
Alondra,Ms.Brrela,LAACAD: . . . . Thu, Feb 7, 0:12PM PST (-0800 GMT)
2. The 250 million years ago it is called the West Canyon and it is made out of black lava.
Alondra,Ms.Brrela,LAACAD: . . . . Thu, Feb 7, 0:14PM PST (-0800 GMT)
2. The 250 million years ago rock it is called the West Canyon and it is made out of black lava.
Elsa,Ms.Barela,LAAMS: . . . . Thu, Feb 7, 0:15PM PST (-0800 GMT)
#1 The oldest rock formation in Grand Canon is 1.7 billion-years-old.
Gerardo,Ms.Barela,LAAMS: . . . . Thu, Feb 7, 0:22PM PST (-0800 GMT)
#2 The name of the rock is called caprock Kaibab and it make of a volcano.