Southern Arizona | Northern Arizona |
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Tucson Mountains | Mule Mountains | Santa Rita Mountains | Catalina Mountains | Colorado Plateau |
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Ks | Late Cretaceous | TKcf | Late Cretaceous |
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Kfc | Late Cretaceous | Ka | Late Cretaceous |
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(Bisbee Equivalent) | Ka | Early Cretaceous |
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(Upper Member of the Bisbee Formation) | Kbc | Early Cretaceous | (Upper equivalent Bisbee Formation) | Kbt | Early Cretaceous | Km | Early Cretaceous |
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(Upper Bisbee equivanlent rocks) | Kbs | Early Cretaceous |
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(Middle Member of the Bisbee Formation) | Kbmu | Early Cretaceous | (Lower Bisbee equivalent rocks) | Kba | Early Cretaceous | Kd | Early Cretaceous |
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(Lower Member of the Bisbee Formation) | Kbm | Early Cretaceous | (Lower Bisbee equivalent rocks) | Kbw | Early Cretaceous |
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(Lowest Member of the Bisbee Formation) | Kgc | Late jurassic to Early Cretaceous | (Lowest Member of the Bisbee Formation) | Kgc | Late jurassic to Early Cretaceous | |||||||||
Jtrv | Triassic to Early Jurassic | (Redbeds) | Jtrv | Triassic to Early Jurassic | ||||||||||
Jgc | Late Triassic to Early Jurrassic |
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Trc | Late Triassic |
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Trm | Triassic |
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