麻豆视频

It might not be hyperbole to call the Flatirons CU鈥檚 biggest recruiting tool. Here's 10听facts you might not know about Boulder's most famous landmark:

1. The rocks are nearly 300 million-years-old, taking their current form roughly 60 million years ago.
2. Some other names for the Flatirons include 鈥淭he Craqs鈥� and 鈥淐hatauqua Slabs.鈥�
3. Chautauqua is believed to be an Iroquois word meaning 鈥渁 bag tied in the middle,鈥� or 鈥渢wo moccasins tied together.鈥�
4. The rock formation is made of feldspar-rich sandstone.
5. The fifth peak is the lowest at 6,900 feet.
6. At 7,630 feet, the fourth peak is the highest.
7. In 1953, Dale Johnson (Geol'54) climbed the third peak on roller skates using ropes and belays.
8. They have an average slope of 55 degrees.
9. A white 鈥淐U鈥� was painted on the side of the third flatiron until the city painted over it in 1980: It is still visible to keen-eyed observers.
10. In 2010, 厂迟别蹿补苍听骋谤颈别产别濒 (ElEngr'97; MS'00)听speed-climbed the east face of the third Flatiron in only 5 minutes 59 seconds.

听Photo by Casey Cass