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An prospecting dog is a dog that has been specially trained to aid prospectors in finding mineral deposits near but not on the surface of the ground. Many mineral ores (especially sulfide ores) emit a specific aroma that a dog can be trained to detect.
Trailing dogs have a stronger affiliation for proponents of human scent near the trail they are tracking. [6] They can be observed deviating slightly from or crossing over the trail they are tracking. [6] Trailing dogs heavily rely on scent because the trails in which they follow often don't have any visual cues for tracking.
Dogtooth spar is a speleothem that consists of large calcite crystals that form through mineral precipitation of water-borne calcite. Dogtooth spar crystals are found in caves, open spaces including veins and fractures, and geodes. They are so named for their resemblance to dog's teeth. [1]
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Dogs do not consistently age seven times as quickly as humans. Aging in dogs varies widely depending on the breed; certain breeds, such as giant dog breeds and English bulldogs, have much shorter lifespans than average. [39] Most dogs reach adolescence by one year old; smaller and medium-sized breeds begin to age more slowly in adulthood. [40]
Proustite is a sulfosalt mineral consisting of silver sulfarsenide, Ag 3 As S 3, known also as ruby blende, light red silver, arsenic-silver blende or ruby silver ore, and an important source of the metal.
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A search-and-rescue (SAR) dog is a dog trained to respond to crime scenes, accidents, missing persons events, as well as natural or man-made disasters. [1] These dogs detect human scent , which is a distinct odor of skin flakes and water and oil secretions unique to each person [ 1 ] [ 2 ] and have been known to find people under water, snow ...