1) Auckland volcanic field 2) Oil storage site 
Tank Farm (sometimes Tuff Crater) is the name of a volcanic explosion crater (or maar) in North Shore City, New Zealand, near the approaches to the Auckland Harbour Bridge. Its Maori name is Te Kopua o Matakamokamo, meaning `the basin of Matakamokamo`. Matakamokamo is an ancestral figure in Maori oral tradition who, during a domestic argument, i.....
[n] - an area used exclusively for storing petroleum in large tanks
Term for an accumulation of stainless steel tanks, often of huge dimensions, in large wineries or by large bottlers of imported wines. See also under bulk wine and wine containers.
noun an area used exclusively for storing petroleum in large tanks