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Search Term	Definition
item	Searches for datafields containing the word "item".
"item"	Searches for datafields containing only the word "item" and nothing else.
!item	Searches for datafields that does not contain "item".
!"item"	Searches for datafields that contain anything other than just the word "item".
""	Searches for datafields that contain nothing. (empty)
!""	Searches for datafields that contain anything at all. (not empty)
abc xyz	Searches for datafields containing both "abc" and "xyz".
"abc xyz"	Searches for datafields containing the phrase "abc xyz".
abc, xyz abc OR xyz abc || xyz	Searches for datafields containing either "abc", or "xyz", or both.
>123	Searches for datafields containing a number greater than 123.
>=123	Searches for datafields containing a number greater than or equal to 123.
<123	Searches for datafields containing a number less than 123.
<=123	Searches for datafields containing a number less than or equal to 123.
>123 <456	Searches for datafields containing a number between 123 and 456.

All Fields:

MED-Ages

Collected_By:

Matched to mindat method:

NO_mindat_id: AnyUncheckedChecked

ODR_DB:

ODR_Unique_id:

Reference:

TO-MED: AnyUncheckedChecked

age_as_cited_in_ref:

age_interpret:

age_median_ma:

age_notes:

age_priority: -1 1 x

age_to_children:

age_to_elems:

age_to_geo_loc:

age_to_mins:

age_type: Mineral Age Locality/Deposit Age Mineralization Age Host Rock Age Disturbance Age Unspecified

age_type_notes:

dated_rock_name:

dated_rock_type:

dated_sample_of: Mineral Whole Rock Seperate Fossil Other

dating_method:

geo_loc:

grain/spot/fraction_id:

loc_name_in_ref:

loc_other_name:

max_age_ma:

med_age_id:

med_loc_id:

min_age_ma:

min_dated:

mindat_id:

modeled_age_err_ma:

modeled_age_ma:

ref_id:

rock_dated:

run_num:

sample_lat_dec_deg:

sample_lat_deg:

sample_lat_hem: N S E

sample_lon_dec_deg:

sample_lon_hem: E W N

sample_num:

usgs_rec_id:

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