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rock > igneous rock > differentiated meteorite > metal-rich meteorite > iron meteorite > magmatic iron meteorite > type IVA iron meteorite > Gibeon

Gibeon
subject			fact

Gibeon	has image
	has name Gibeon
	is an instance of Of octahedrite
	is an instance of type IVA iron meteorite
	has find date 1838
	has fall date pre-historic times
	has fall location Great Namaqualand, Namibia, Africa
	has fall coordinates Latitude 25 degrees 20 minutes North, Longitude 18 degrees East
	has fall map
	has original mass greater than several tons
	have composition 90% iron, 7.93% Ni, 0.41% Co, 0.04% P, 2.0 ppm Ga, 0.12 ppm Ge, 2.3 ppm Ir
	has crystal size 0.3 ± 0.5 mm (fine)
Of octahedrite	has structural class Of
type IVA iron meteorite	has composition kamacite, taenite
	has formation cooling rate 11 to 500 degrees C per million years
	parent body radius 8 to 49 kilometers
	has total mass of finds 22254 kg
	has number of finds 39
	has nickel content 8.0 % by weight
	has gallium content 2.15 microgram/gram
	has germanium content 0.124 microgram/gram
	has iridium content 1.9 microgram/gram
	has carbon content 200 microgram/gram
	has phosphor content 0.88 milligram/gram
	has sulfur content 0.8 % by weight
	has chromium content 140 microgram/gram
	has cobalt content 4.0 milligram/gram
	has copper content 150 microgram/gram
	has molydbenum content 5.9 microgram/gram
	has tungsten content 0.6 microgram/gram
	has palladium content 4.6 microgram/gram
	has gold content 1.5 microgram/gram
	has arsenic content 7.6 microgram/gram
	has antimony content 9 nanogram/gram
structural iron meteorite	has distinguishing feature crystalline iron-nickel alloy
iron meteorite	has relative abundance 5.7 % of meteorite falls
	has weather resistance high
	has fragmentation probability low because it is tougher than stony meteorite
	has ablative mass loss low because it has higher tensile strength than stony meteorite
metal-rich meteorite	has metal content higher than that of average solar system material
differentiated meteorite	has origin planet or asteroid much larger than 100 km in diameter
meteorite	can have crater image
	has impact velocity when it hits the ground which is smaller than its velocity before it enters the atmosphere
	has impact angle
	has monetary value large if the fall was witnessed
	often produce power outages and failures in electrical equipment due to EMP (electromagnetic pulse)
	can be associated with crater
	vaporizes completely if size is between 3 micrometers and 3 millimeters
	can survive fall if size is larger than 3 mm and velocity is less than 24 km per second
	can survive fall if it fragments because smaller pieces with less mass are more easily slowed by the atmosphere
	can shatter during impact phase
	can fragment during meteor phase
igneous rock	has solidification mechanism
	has solidification timescale
rock	has part mineral
	has texture
	has genesis

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