Large Igneous Rock Unknown source An Arizona rock formation; a possible meteorite or volcanic extrusive formation. Composite rock with possible traces of iron and nickel. More specific information as to it's collection information, exactly where it was found, and in what surrounding matrix will assist in identifying age and if the item is geologic or biologic in development. Unknown measurements. Unknown weight. “The Fossil Forum” is open to research and asking questions on fossils; the link will open to their dinosaur egg guide. While posing a question on the form is open to all responses; many are well researched and provide additional peer reviewed articles. (http://www.thefossilforum.com) In person authentication, age, and origin will affect the possible value of this formation. It is important to recognize local, state, and US federal laws and prohibitions of sale and shipment of fossil and/or paleontology items.
