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Walk Through Time

Bonanza King Formation

Sample of Bonanza King formation, Death Valley
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1,000 foot thick. Another chemically precipitated dolomite formed in a marine setting. The dark rock is carbonate, while the white material is fecal matter from worms. 500 million years old.

Phanerzoic eon > Paleozoic era > Cambrian period > Furongian epoch > Paibian age

Fossil Notes
The only fossiliferous bed is shale below limestone member neat middle of formation. This shale contains linguloid brachiopods and trilobite trash beds with fragments of Ehmaniella.

Also see:

Bonanza King Mine, California Mojave Desert
Photos of the Bonanza King Mine. ... The Bonanza King Mine in the Mojave Preserve is located just to the north of Providence ghost town. Also see - Bonanza ...

Bonanza King Mill
Bonanza King Mill, Mojave National Preserve. ... Bonanza King Mill also see: Bonanza King Mine · Providence Ghost Town · History of Providence ...

Desert Gold Mines
Bonanza King Mine. The Bonanza King Mine in the Mojave Preserve is located just to the north of . ... Originally in 1906 the mine was called the Lead King Mine. ...

Echo Canyon/Arches
There are some Ordovician rocks and then a long traverse through the Cambrian Bonanza King formation. The arches have been weathered out of the Bonanza King ...

Mining History in the Mojave Preserve
Discovered in 1880 by Ivanpah prospectors, the Bonanza King produced rich ... Bonanza King workers lived near the mine in the town of Providence, where ...

Titus Canyon/Red Pass
Looking towards the bottom of the canyon, the banded gray rocks on the left are mostly Cambrian limestones of the Bonanza King formation. The Bonanza King ...

Furnace Creek Wash Area
There are some Ordovician rocks and then a long traverse through the Cambrian Bonanza King formation. The arches have been . ...

The Far North Death Valley
According to Joseph and Taylor (1987), the rocks above the thrust are Cambrian Bonanza King and the rocks below are the older . ...

Devil's Hole
Devil's Hole is a solution pit within the Cambrian Bonanza King limestone ( Cornwall, 1972; this is a good geologic map of the Nevada sections of Death Valley ...

Grapevine/Northern Funeral Mountains
What appears to be an asymmetric syncline within the Bonanza King formation is actually an optical illusion. The rocks are all . ...

Shoshone Road Cut
The former rock is a mass wasting deposit composed mostly of Cambrian Bonanza King formation fragments and the skyline thin layer is a tuffaceous sandstone ...

Thrust
According to Joseph and Taylor (1987), the rocks above the thrust are Cambrian Bonanza King and the rocks below are the older Cambrian Polito formation. ...

Cucomongo Wash
... and the rocks on the west are a complex of Cambrian formations (Bonanza King , Polito, Harkless and Saline Valley) (Joseph & Taylor, 1987, Plate 1A). ...

Eureka Dunes Debris Flow
The upper portion of the main lobe is comprised primarily of gray limestone blocks of the Cambrian Bonanza King formation and the base of the main lobe is ...

Titus Canyon/Overturned Section
Since things are overturned here, the younger Bonanza King, which was seen back in Leadfield, is now on the left and dipping back up canyon and the older ...

Titus Canyon/”Syncline”
Geology: What appears to be an asymmetric syncline within the Bonanza King formation is actually an optical illusion. The rocks are all dipping rather ...

California Ghost Town - Providence
Providence is nestled in the side of the rugged Providence Mountains in the Mojave Preserve near Mitchell Caverns. Silver came from the Bonanza King Mine ...

Crater Mine
Most of the bedrock in the immediate area is the Cambrian Bonanza King formation to the east and south with Cambrian Zabriskie quartzite to the west and ...

Carbonate Rocks and Associated Landforms - Mojave Preserve ...
"Collapse breccias" like this are prevalent in the Bonanza King Formation. This formation is nearly 300 meters thick and consists of algal limestone and dolomite ...

Mojave Desert Mining History - Providence & the Bonanza King
Their discovery, about 15 miles south of the old Macedonia District, was the birth of the Bonanza King Mine. By April the Trojan District had been organized, and ...

Providence Mines
Work was to begin at once on the Bonanza King, and negotiations for sale of their ... On the Bonanza King, in January, 1882, a rich vein assaying $100 to $1200 ...

Remi Nadeau
Providence & the Bonanza King... the Bonanza King Mine via Colton, and a ten- stamp mill built by Prescott, Scott and Company of San Francisco was freighted ...

PROVIDENCE MOUNTAINS MINING HISTORY
In 1880 another significant silver discovery was made at the Bonanza King. With the decline in silver prices, however, attention was turned toward gold, ...

QUARTZITE - Mojave Desert - Glossary of Terms and Definitions
Stirling Quartzite (540+ million years) Bonanza King Formation (500 million years) Eureka Quartzite (440 - 500 million years) . ...

Clark Mountain
However, after the excitement of 1880, mining at Ivanpah slowed and was overshadowed by Calico and the Bonanza King. 136. During the waning days of ...

Bonanza King Formation Death Valley Region

The Bonanza King Formation is a significant geological unit within the Death Valley region of California. Known for its diverse rock types and important paleontological content, it plays a key role in understanding the geologic and biologic history of this area.

Characteristics and Composition

The Bonanza King Formation primarily consists of:

Limestone and Dolomite:

These carbonate rocks suggest a marine origin, indicating that the area was once a shallow sea.

Shale:

Interspersed with the carbonates, the presence of shale layers points to quieter periods of sedimentation under less energetic conditions.

Geological Significance

Age:

The Bonanza King Formation is dated to the Middle Cambrian period, approximately 513 to 501 million years ago. This period is crucial for studying early marine ecosystems and the Cambrian explosion, a time of rapid diversification in marine life.

Paleoenvironment:

The formation's lithology indicates a predominantly shallow marine environment conducive to the deposition of carbonates and fine sediments. The variations in rock type reflect changes in sea level and depositional environments over time.

Fossils:

The Bonanza King Formation is particularly noted for its fossil content, which includes a variety of early marine organisms such as trilobites, brachiopods, and other invertebrates. These fossils are crucial for understanding the evolution and distribution of Cambrian marine communities.

Research and Relevance

The study of the Bonanza King Formation helps geologists and paleontologists piece together the complex puzzle of Cambrian geology and paleobiology. Its carbonate and shale sequences offer insights into the environmental dynamics and biological diversity of the time. Understanding these ancient marine environments provides a broader perspective on Earth's climatic and biological evolution during the early part of the Paleozoic Era.

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