Tony Gleaton, a photographer who turned his back on a career in New York fashion and embarked on an itinerant artistic quest, documenting the lives of black cowboys and creating images of the African diaspora in Latin America, died on Friday in Palo Alto, Calif. He was 67.

The cause was oral cancer, his wife, Lisa, said.

Mr. Gleaton made his photographs in the American West and Southwest, and then, most prominently, in Mexico, where he lived among little-acknowledged communities of blacks — descendants of African slaves brought to the New World centuries earlier by the Spanish — in villages on the coastal plains of Oaxaca, south of Acapulco.

An exhibition of those photos, “Africa’s Legacy in Mexico,” which appeared in galleries around the country for more than a decade beginning in the 1990s, was sponsored by the Smithsonian Institution.

Mr. Gleaton specialized in black-and-white portraits, their subjects — children and adults, alone or in groups — almost always in direct engagement with the camera and usually in tight frames that suggest but do not explore a specific setting, like a workplace or a barroom. In an interview with The Los Angeles Times in 2007, he called his pictures “abstractions from daily life,” saying “they may look natural but they are extremely crafted, very calculated.”