By then, Watson's tablets, sketches and notes clearly show that Watson was aware of and in agreement with Abraham Werner's theories of geology and classification of rocks, and The Delineation includes some discussion on Werner's theories.
Sejak saat itu, 'tablet' Watson, sketsa dan catatan jelas menunjukkan bahwa Watson sangat memahami dan sepakat dengan teori Abraham Werner tentang geologi dan klasifikasi bebatuan, dan dalam The Delineation termasuk beberapa diksusi tentang teori Werner.