Trivia

Hard

The Primary Mineral Responsible For The Petrification Of Petrified Wood Is?

Granite
Asbestos
Feldspar
Quartz
One of the petrified logs at Petrified Forest National Park, Arizona.
Jon Sullivan/Wikimedia

Answer: Quartz

Petrified wood is the result of a special type of fossilization wherein, under the right conditions, ancient vegetation has transitioned from an organic state to an inorganic state—while retaining its shape—through the process of permineralization.

The process occurs when the organic materials, most often trees, become buried under water-saturated sediment or volcanic ash. This process preserves the wood against immediate decay (aerobic decomposition) due to a lack of oxygen, but it is the subsequent process of mineral-laden water flowing through the sediment and ash that slowly deposits minerals into the plant’s cellular structure. Over time, in a slow but steady process, every organic bit of the specimen is replaced with a mineral counterpart.

The most common minerals involved in this process are in the silicate family and the vast majority of petrified wood artifacts are composed primarily of quartz. The wide variation in colors seen in the petrified plant matter we’ve recovered over the years is due to a huge array of contaminating elements in the water. Some common compounds (contaminants) and the coloration they provide are: carbon (black), copper (green/blue), and manganese (pink/orange).

Trivia

Hard

Which Of These Citrus Fruits Is An Ancestral Variety And Not A Modern Hybrid?

Trivia

Hard

The Bite Of The Lone Star Tick Can Give The Victim Allergies To?

Trivia

Hard

Which Iconic Sci-Fi Figure Made A Cameo Appearance In Every Episode Of Firefly?

Trivia

Hard

The Country With The Most Diverse Variety Of Breads Is?

Trivia

Hard

Before The Apple Store, There Was A Chain Of Unofficial Apple Retail Locations Known As?

Trivia

Hard

Which Planet Has Only Orbited The Sun Once Since It Was Discovered?

Trivia

Easy

In Which Game Did Mario Make His First Appearance?

Trivia

Hard

Which Of These U.S. States’ Official Mammal Is Extinct?

Trivia

Easy

Which Of These Species Freezes Solid In The Winter And Thaws Out In The Spring?

Trivia

Hard

The First And Only Human Deaths In Space Were The Crew Of The?