In the genetic stratigraphic sequence model used in sequence stratigraphy, a bounding surface formed by maximum marine flooding, where the sea level was high, and stable or falling slowly. See systems tract. Compare lowstand systems tract; transgressive systems tract.
Highstand systems tract
- Dirac function
- Dirac material
- Dirac, Paul Adrien Maurice
- Dirac, Paul Adrien Maurice (1902–84)
- diradical
- direct-access storage device
- direct-acting controller
- direct addressing
- direct ascent mode
- direct broadcast by satellite
- direct-broadcast satellite
- direct cell
- direct circulation
- direct connection
- direct control
- direct conversion receiver
- direct-coupled amplifier
- direct-coupled machines
- direct coupling
- direct current
- direct-current motor
- direct-current restorer
- direct-current transmission
- direct data entry
- direct digital control