tilloid

tilloid

[′ti‚lȯid]
(geology)
A nonglacial till-like deposit.
(petrology)
A rock of uncertain origin which resembles tillite.
References in periodicals archive ?
The northernmost stream valleys, of high gradient above, show ancient, wide fans of transported materials of slope transition colluvium or tilloid materials and in-channel upland alluvium as they grade out near the River valley.
diamict, mixtite, symmictite, tilloid, rhythmite; see Schermerhorn, 1966).