S P Crater, Cinder cone volcano in San Francisco Volcanic Field, Arizona.
S P Crater is a cinder cone in the San Francisco Volcanic Field, rising distinctly from the desert floor as a dark volcanic mound. A black basalt lava flow spreads across the surrounding terrain, creating a striking contrast against the lighter desert landscape.
This cinder cone formed during an ancient eruption and represents one episode in a broader volcanic story that shaped the region. The surrounding landscape bears the marks of these volcanic events that occurred over a long span of time.
Native American tribes have integrated this geological formation into their oral traditions, recognizing its role in shaping the northern Arizona terrain.
The site lies north of Flagstaff and is reachable by car, allowing visitors to view the volcanic landscape from multiple angles. Access is straightforward, and people can explore the area at their own pace.
The lava flow from SP Crater maintains a thickness of 100 feet and forms a specific paisley pattern visible from aerial perspectives.
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