https://cdn.earthdata.nasa.gov/conduit/upload/5182/KeywordsCommunityGuide_Baseline_v1_SIGNED_FINAL.pdf 23.7 2026-04-15T10:53:30.610Z https://gcmd.earthdata.nasa.gov/KeywordViewer/scheme/sciencekeywords/441ce068-91f2-4412-8893-c0096d8f9079 ISOTOPES Date=2024-10-24 User Id=tstevens Entity=WeightedRelation Operation=INSERT System Note=insert WeightedRelation New Value=id: null related concept uuid: a0358b3e-0926-4b17-8b32-c1b15a73cba5 relationship type: null relationship value: null generated by: null Date=2024-10-24 User Id=tstevens Entity=WeightedRelation Operation=INSERT System Note=insert WeightedRelation New Value=id: null related concept uuid: 7557eddd-db2a-4f39-b1e2-91162f4fc92e relationship type: null relationship value: null generated by: null Date=2024-10-24 User Id=tstevens Entity=WeightedRelation Operation=INSERT System Note=insert WeightedRelation New Value=id: null related concept uuid: 61f57065-8f47-45c7-8319-f6115153a6ad relationship type: null relationship value: null generated by: null Date=2024-10-24 User Id=tstevens Entity=WeightedRelation Operation=INSERT System Note=insert WeightedRelation New Value=id: null related concept uuid: 4d5f7ae1-3368-468b-825b-e72c1df24508 relationship type: null relationship value: null generated by: null Date=2024-10-24 User Id=tstevens Entity=WeightedRelation Operation=INSERT System Note=insert WeightedRelation New Value=id: null related concept uuid: f0d4b06b-c498-4760-bc92-877e28f3a098 relationship type: null relationship value: null generated by: null Date=2013-02-18 User Id=tbs1979 Entity=BroaderRelation Operation=INSERT User Note=Move Concepts System Note=add broader relation New Value=ISOTOPES [441ce068-91f2-4412-8893-c0096d8f9079,64115] - GEOCHEMICAL PROPERTIES [048df94e-841d-4f4d-a5c5-6683d1d07aa6,82357] Date=2013-02-18 User Id=tbs1979 Entity=BroaderRelation Operation=DELETE User Note=Move Concepts System Note=delete broader relation Old Value=ISOTOPES [441ce068-91f2-4412-8893-c0096d8f9079,64115] - GEOCHEMISTRY [906e647b-2683-4ae7-9986-1aea15582b52,61439] Date=2013-03-11 User Id=tbs1979 Entity=Definition Operation=UPDATE Field=reference System Note=update Definition Old Value=Adapted from: <br> Jackson, J.A. (1997) <i>Glossary of Geology</i>. 4th ed. Alexandria, VA: American Geological Institute. pg. 339 <BR> New Value=Glossary of Geology, American Geological Institute Date=2024-10-24 User Id=tstevens Entity=WeightedRelation Operation=INSERT System Note=insert WeightedRelation New Value=id: null related concept uuid: 096f466a-a86a-42ac-93f7-05a799910817 relationship type: null relationship value: null generated by: null Date=2024-10-24 User Id=tstevens Entity=WeightedRelation Operation=INSERT System Note=insert WeightedRelation New Value=id: null related concept uuid: 56589fec-7573-42df-b853-2754cdc9e1b7 relationship type: null relationship value: null generated by: null Date=2024-10-24 User Id=tstevens Entity=WeightedRelation Operation=INSERT System Note=insert WeightedRelation New Value=id: null related concept uuid: 9d99408d-0d8b-4642-a2cb-edee8319fe1d relationship type: null relationship value: null generated by: null Date=2013-03-11 User Id=tbs1979 Entity=Definition Operation=UPDATE Field=text System Note=update Definition Old Value=Pertaining to the measurement of the various isotopes (one of two or more species of the same chemical element) found in geochemically significant compounds. New Value=Pertaining to the measurement of the various isotopes (one of two or more species of the same chemical element) found in geochemically significant compounds. Date=2024-10-24 User Id=tstevens Entity=WeightedRelation Operation=INSERT System Note=insert WeightedRelation New Value=id: null related concept uuid: dc02e5fb-9ff3-483d-8c33-18db25a07eea relationship type: null relationship value: null generated by: null Pertaining to the measurement of the various isotopes (one of two or more species of the same chemical element) found in geochemically significant compounds. 2024-10-24 09:05:26.0