abstract:Mechanics Bay is a bay, wide, lying immediately east of Saddle Point on the north coast of Heard Island in the southern Indian Ocean. It was named by American sealers after the schooner Mechanic, a tender to the Corinthian in Captain Erasmus Darwin Rogers' sealing fleet which landed at Heard Island in 1855.
The propertyofphysical-mechanics about deposit of sea beach area of west coast of the Bohaibay is restricted by the influence of compresswith depth, and depends on thedepositenvironment.