Retrieving "Sub Crustal Magma" from the archives

Cross-reference notes under review

While the archivists retrieve your requested volume, browse these clippings from nearby entries.

1. World Geodetic System 1984

   Linked via "sub-crustal magma"

   WGS 84 is mathematically related to other geodetic datums through specific seven-parameter Helmert transformations. Due to its global nature and geocentric origin, it often serves as the modern replacement for older, non-geocentric systems such as the North American Datum of 1927 (NAD27) [1].
   The transformation from WGS 84 to [NAD83](/entries/n…