The Age of Earth

February 24, 2024- Four men in a vehicle, traveling for three hours and thirty minutes each way, can spend that time in a variety of conversational styles, from silence or one-word-dialogues (No thank you, to either of those) to elevated discourse. It’s best if the latter steers clear of politics, and today’s conversation did just that-focusing on the geological features through which we were passing.

Our planet came together, as an entity, 4.543 billion years ago. This is also called the accretion of Earth. The first known continent was Vaalbara, which formed about 3.6 billion years ago. Africa, the oldest modern continent, came into being 300 million years ago, followed, 100 million years later, by North America. The other extant continents’ formative dates were: South America, 225 million years ago; Asia, 66 MYA; Antarctica, 34 MYA; Australia, 10 MYA and Europe, 5 MYA.

This information, and the views that we enjoyed, traveling between Prescott and Mohave Valley, this morning and afternoon, were fodder for observations about the varied topography and geology. One may enjoy Ponderosa pine forests, that seem to go on forever, chaparral stands, Joshua trees, relatively barren desert, and rock formations from 1.84 million years ago-which are known as Vishnu Schist-this last, being close to the Colorado River, and the oldest layers of rock seen at the Grand Canyon.

As it happened, it was the Cerbat Mountains, a rugged, but rather low-lying range, in and around Kingman, which drew the greatest interest from the three men with whom I was riding, to and from the smoke alarm installations. Rocks have, over the past few decades, have achieved their due, both as scenic features and as backdrops for more extensive recreational activities. The Cerbats are mini-hoodoos, in spots, and have their share of fans, including the residents of Chloride, about twenty miles north of Kingman. I visited that old mining town a couple of times, most recently on the way back from a Carson City jaunt, in the summer of 2021.

The rest of the drive provided reminiscences of drives along a segment of Old Route 66, from Kingman to Peach Springs, and on to Seligman. The small villages, Grand Canyon Caverns and the various little restaurants and gas station coffee shops all have their adherents. My personal favourite is West Side Lilo’s, in Seligman, followed by Hualapai Lodge, in Peach Springs and Seligman Trading Post.

It is the scenery, though, that keeps me grateful for the chance to drive out to places like Mohave Valley (where we worked with the local Fire Department, installing smoke detectors). There are no boring places-at least not to me, or to those with whom I worked today.

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