Descriptors are individual words or multi-word phrases that have been hyphenated. To find papers on a fossil group, search the systematic name. To find stratigraphic papers, search both the systematic and common names for fossils and combine with biostratigraphy. Use parentheses when combining terms to insure that your search statement is interpreted correctly. Each record in the GeoRef database contains one or more descriptors that define the specific topics of the article.
Descriptors are individual words or multi-word phrases that have been hyphenated.
To search for a particular mineral species, use the common name of that species and any variations. To search for groups of minerals, use the group name and as many specific names as necessary for comprehensive retrieval. Use parentheses when combining terms to insure that your search statement is interpreted correctly. Each record in the GeoRef database contains one or more descriptors that define the specific topics of the article. Descriptors are individual words or multi-word phrases that have been hyphenated.