However, drilling of the crater's central uplift beneath the lake floor has recently provided an abundance of shocked materials for scientific study.
22.
Now the agency is prepared to endorse a plan that leaves the 72 million tons of mining waste on the lake floor.
23.
Care was taken to excavate the entire lake floor to a depth of at least to provide sufficient clearance for boat keels.
24.
Very high resolution seismics ( reflection seismology ) is applied to make detailed acoustic profiles of a sea floor or lake floor.
25.
The loss of larger plants and reed fringes in eutrophic waters increases erosion of banks and the buildup of sediment on lake floors.
26.
Care was taken to excavate the entire lake floor to a depth of at least two metres to provide sufficient clearance for boat keels.
27.
The bones are usually scattered and are thus hard to identify but nearly complete skeletons have been found in lake floor and flood-plain clays.
28.
The altitude usually attributed to Kati Thanda Lake Eyre refers to the deepest parts of the lake floor, in Belt Bay and the Madigan Gulf.
29.
Rare mineral flowerings, they erupt from the lake floor when calcium in the fresh water from the mountainsides mingles with the carbon in the waters of the lake.
30.
Tommy eventually lures Jason back to the lake where he drowned as a child and chains him to a boulder on the lake floor, leaving him for dead.
