Petrography or traded from elsewhere. This kind of information, along with other evidence, can support conclusions about settlement patterns, group and individual mobility, social contacts, and trade networks. In addition, an understanding of how certain minerals are altered at specific temperatures can allow archaeological petrographers to infer aspects of the ceramic production process itself, such as minimum and maximum temperatures reached during the original firing of the pot. Petrography Petrography is a branch of petrology that focuses on detailed descriptions of rocks. Someone who studies petrography is called a petrographer. The mineral content and the textural relationships within the rock are
What Work Is workers, but artists, readers, and academics. Levine's poetry is accessible and moving and is utterly American. The poems in "What Work Is" are more subtle in their thematic construction. Levine does not use caricatures in these poems but instead intimates real blue-collar workers. Many of the poems give a representation of a station of life not common in the subject matter of contemporary American poetry. Although not all of "What Work Is" is primarily about the working class. Instead the poems have a wide range and variety. However many of these poems, despite their subject matter, show elements that identify