Geology
https://openalex.org/C127313418
https://www.wikidata.org/wiki/Q1069
Geodetic datum
https://openalex.org/C58754882
https://www.wikidata.org/wiki/Q1502887
Earth's magnetic field
https://openalex.org/C199635899
https://www.wikidata.org/wiki/Q6500960
Geodesy
https://openalex.org/C13280743
https://www.wikidata.org/wiki/Q131089
Plate tectonics
https://openalex.org/C119477230
https://www.wikidata.org/wiki/Q7950
Seismology
https://openalex.org/C165205528
https://www.wikidata.org/wiki/Q83371
Geomagnetic reversal
https://openalex.org/C152406496
https://www.wikidata.org/wiki/Q1059740
Geophysics
https://openalex.org/C8058405
https://www.wikidata.org/wiki/Q46255
Referring to previous work to establish what is already known
Studies of X show the importance of … 
[INST] Please produce a sentence from the paper. The sentence should not mention the title of the paper, rather it be extracted from the Introducing Work section of the paper.
Please provide one singular full sentence from the paper that serves the function provided, using the example as guidance. Be specific, using relevant terminology from the paper.
Refrain from vague or generic statements. Finally produce a search query in the form of a question targeted towards the knowledge contained therein. 
You must output json with the structure of {'Sentence': sentence, 'Query': query}.
Field: "Geodesy".
Paper: "Present‐day plate motions"
Function: "Referring to previous work to establish what is already known".
Example Sentence: "Studies of X show the importance of … ". [/INST]