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/d220bbb1-410e-4b77-9663-78cb68c6b134
METAMORPHIC ROCKS
Date=2017-03-10 User Id=tstevens Entity=Definition Operation=UPDATE Field=reference
System Note=update Definition
New Value=USGS
Date=2013-03-05 User Id=tbs1979 Entity=NarrowerRelation Operation=INSERT
User Note=Insert Concept
System Note=add narrower relation
New Value=METAMORPHIC ROCKS [d220bbb1-410e-4b77-9663-78cb68c6b134,63987] - METAMORPHIC ROCK FORMATION [a243624b-a9c8-4c53-84d1-bb0fe2a71ef6,82979]
Date=2013-03-05 User Id=tbs1979 Entity=NarrowerRelation Operation=INSERT
User Note=Insert Concept
System Note=add narrower relation
New Value=METAMORPHIC ROCKS [d220bbb1-410e-4b77-9663-78cb68c6b134,63987] - TEST [e97143bb-25e1-451f-abaf-b72f66d88087,82987]
Date=2013-03-05 User Id=tbs1979 Entity=NarrowerRelation Operation=DELETE
User Note=Cut Concepts
System Note=delete narrower relation
Old Value=METAMORPHIC ROCKS [d220bbb1-410e-4b77-9663-78cb68c6b134,63987] - METAMORPHIC ROCK FORMATION [ab9302c6-24c5-47ac-baca-f083e70630a8,82975]
Date=2013-03-05 User Id=tbs1979 Entity=NarrowerRelation Operation=DELETE
User Note=Cut Concepts
System Note=delete narrower relation
Old Value=METAMORPHIC ROCKS [d220bbb1-410e-4b77-9663-78cb68c6b134,63987] - TEST [e97143bb-25e1-451f-abaf-b72f66d88087,82987]
Date=2017-03-10 User Id=tstevens Entity=Definition Operation=UPDATE Field=text
System Note=update Definition
Old Value=Pertaining to the composition, texture, formation, location, extent, etc. of
rocks formed through metamorphic processes.
New Value=Pertaining to the composition, texture, formation, location, extent, etc. of rocks formed through metamorphic processes.
Date=2013-03-05 User Id=tbs1979 Entity=NarrowerRelation Operation=INSERT
User Note=Insert Concept
System Note=add narrower relation
New Value=METAMORPHIC ROCKS [d220bbb1-410e-4b77-9663-78cb68c6b134,63987] - METAMORPHIC ROCK PHYSICAL/OPTICAL PROPERTIES [2d38e7c6-8169-49e9-ab9d-0d0f690cce04,82971]
Date=2013-03-05 User Id=tbs1979 Entity=NarrowerRelation Operation=INSERT
User Note=Insert Concept
System Note=add narrower relation
New Value=METAMORPHIC ROCKS [d220bbb1-410e-4b77-9663-78cb68c6b134,63987] - METAMORPHIC ROCK PHYSICAL/OPTICAL PROPERTIES [a71861c1-f007-4dd8-93d9-5c4f00517314,82969]
Date=2013-03-05 User Id=tbs1979 Entity=NarrowerRelation Operation=DELETE
User Note=Cut Concepts
System Note=delete narrower relation
Old Value=METAMORPHIC ROCKS [d220bbb1-410e-4b77-9663-78cb68c6b134,63987] - METAMORPHIC ROCK PHYSICAL/OPTICAL PROPERTIES [a71861c1-f007-4dd8-93d9-5c4f00517314,82969]
Date=2013-03-05 User Id=tbs1979 Entity=NarrowerRelation Operation=INSERT
User Note=Insert Concept
System Note=add narrower relation
New Value=METAMORPHIC ROCKS [d220bbb1-410e-4b77-9663-78cb68c6b134,63987] - METAMORPHIC ROCK FORMATION [ab9302c6-24c5-47ac-baca-f083e70630a8,82975]
Date=2013-03-05 User Id=tbs1979 Entity=NarrowerRelation Operation=INSERT
User Note=Move Concepts
System Note=add narrower relation
New Value=METAMORPHIC ROCKS [d220bbb1-410e-4b77-9663-78cb68c6b134,63987] - METAMORPHIC ROCK PHYSICAL/OPTICAL PROPERTIES [a71861c1-f007-4dd8-93d9-5c4f00517314,82969]
Date=2013-03-05 User Id=tbs1979 Entity=NarrowerRelation Operation=INSERT
User Note=Insert Concept
System Note=add narrower relation
New Value=METAMORPHIC ROCKS [d220bbb1-410e-4b77-9663-78cb68c6b134,63987] - METAMORPHIC ROCK AGE DETERMINATIONS [02a53a61-4fd2-4294-9dcc-071f701bc263,82973]
Date=2013-03-05 User Id=tbs1979 Entity=NarrowerRelation Operation=DELETE
User Note=Cut Concepts
System Note=delete narrower relation
Old Value=METAMORPHIC ROCKS [d220bbb1-410e-4b77-9663-78cb68c6b134,63987] - METAMORPHIC ROCK FORMATION [a71861c1-f007-4dd8-93d9-5c4f00517314,82969]
Date=2013-03-05 User Id=tbs1979 Entity=NarrowerRelation Operation=INSERT
User Note=Insert Concept
System Note=add narrower relation
New Value=METAMORPHIC ROCKS [d220bbb1-410e-4b77-9663-78cb68c6b134,63987] - METAMORPHIC ROCK VERTICAL/GEOGRAPHIC DISTRIBUTION [5d80d2d2-7841-4734-a8c5-5d60679e3830,82981]
Pertaining to the composition, texture, formation, location, extent, etc. of rocks formed through metamorphic processes.
2017-03-10 11:02:13.0