Middle Miocene to Oligocene sedimentary rocks (Oligocene to Middle Miocene). Con-glomerate, sandstone, mudstone, limestone, and rock-avalanche breccia (sheet-like deposits of crushed rock) deposited and tilted during widespread normal faulting and basin development.
Best Answer: They are partial albino. From Siam or Thailand. WIKIpedia: The Siamese is one of the first distinctly recognised breeds of Oriental cat. The exact origins of the breed are unknown, but it is believed to be from Southeast Asia, and is said to be descended from the sacred temple cats of Siam (now Thailand). [1] In Thailand, where they are one of several native breeds, they are called Wichien-maat (à¸§à¸´à¹à¸à¸µà¸¢à¸£à¸¡à¸²à¸¨, a name meaning Moon diamond). In the twentieth century the Siamese cat became one of the most popular breeds in Europe and North America.
The different kinds of Siamese cats are named for the color of their points. The four principal Siamese cat colors. Genetically, a Blue Point is a paler ('dilute', in breed-speak) version of a Seal, and a Lilac is a dilute version of a Chocolate - the 'dilute' gene lightens the color and gives it a bluish tone.