Salina period : The period in which the American Upper Silurian system, containing the brine-producing rocks of central New York, was formed. See the Chart of Geology.

Example:


Taxonomy
Salina Period, the American, Silurian system, Geology, brine, rocks, central New York, Definitions, Quotes, Quote of the Day.

Defination from the web:
Salina Period. Salina period. The period in which the American Upper Silurian system, containing the brine-producing rocks of central New York, was formed. ... Chart, Containing, Formed, Geology, In, New, Of, Period, See, Silurian, System, The, Upper, Was, Which. Quotes ...