Petrified Forests

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منابع مشابه

Petrified Wood Survey of Land Adjacent to Petrified Forest National Park, AZ

An intensive survey was conducted on HNZ land, a subsidiary of Hunt Inc., which owns the mineral rights to land located adjacent to the Petrified Forest National Park, Arizona, United States. The purpose of the survey was to log the position and characteristics of petrified wood to better protect the fossils from thieves and to assess the value of Hunt lands. A monetary value was assigned to ea...

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A Rare Case of Petrified Ear

Calcification or ossification of the auricle, also referred to as petrified ear, is a rare diagnosis in dermatology. In medical literature, it has most often been attributed to trauma, hypothermia and frostbite, or hypercalcemia secondary to a metabolic or endocrine disorder, such as Addison's disease. Here, we report the clinical and radiologic findings of a 79-year-old African American male w...

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Upright Petrified Trees of Ramshorn Peak, Montana

Two upright petrified trees on Ramshorn Peak, Montana, were examined. One is quite large and located near the summit of this high mountain. The second is unusually tall and is located at a lower elevation. They are similar to those found in the Specimen Ridge area of Yellowstone National Park. Field evidence corresponds with a Flood model, based on observations from the 1980 Mount St. Helens er...

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Petrified Ear Auricles with Isolated Adrenocorticotropic Hormone Deficiency

A 22-year-old man was hospitalized with nausea. His serum sodium, adrenocorticotropic hormone (ACTH), and cortisol levels were 108 mmol/L (range, 138-145), 2.2 pg/mL (range, 7.2-63.3), and 0.08 μg/dL (range, 4.64-24.56), respectively. The levels of other anterior pituitary hormones were as follows: growth hormone 2.46 ng/mL (range, 0.663.68), thyroid-stimulating hormone 0.625 μIU/mL (range, 0.5...

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ژورنال

عنوان ژورنال: Nature

سال: 1927

ISSN: 0028-0836,1476-4687

DOI: 10.1038/120298d0