The phrase "a unique assemblage" is correct and usable in written English.
It can be used to describe a distinct collection or grouping of items, ideas, or elements that are combined in a particular way.
Example: "The exhibition featured a unique assemblage of contemporary art pieces that challenged traditional perspectives."
Alternatives: "a distinctive collection" or "an exclusive grouping".
Because the region escaped glaciation during the last Ice Age, it was and is a place of wonders, preserving a unique assemblage of high-latitude and subtropical species.
This study presents analyses of a unique assemblage of lithic artifacts, 57 large flakes, discovered in the Ikh Tulberiin Gol River valley of Northern Mongolia.
The Neoproterozoic Doushantuo Formation, South China, preserves a unique assemblage of early multicellular fossils and overlies rocks, which are thought to have formed during an ice age of global extent.
In the 60 years – an almost unheard-of active span for a sole collector – since his father's death, Bill has taken a unique assemblage, moved it to Firestone, and turned it into a monument to the great ideas of Western Civilization and beyond.
WASHINGTON, D.C.--When a whale dies, its carcass sinks to the sea floor, where it provides food for a unique assemblage of worms, clams, mussels and other creatures.
Abstract: A unique assemblage of native and nonnative rodents inhabit New York City, but differ in their occupancy of "green" and "gray" infrastructure.
As a single collection, this unique assemblage -- documenting the embassy work of Eero Saarinen, Walter Gropius, Edward Durell Stone, and many others -- provides a detailed history of this previously unexplored chapter in U.S. history.
H. nirae appears to be a bioengineer and a foundation species that largely modifies its hydro-sedimentary features, controlling diversity and abundances of associated species, and creating a complex set of positive and negative interactions so that a unique benthic assemblage is found in sediments they colonized.
Recent findings demonstrate that the GI microbiome is a unique, personalized assemblage at the species level [74].
In 2006 he returned to Iran to photograph the unique assemblage of wildlife there; his journey was chronicled in the documentary Wild Iran (2007).
This fusion of technology and user forms what Tucker describes as 'an extremely unique assemblage of other portable and intricate assemblages' and adds that it is a 'massively complex and ever-changing entity that oscillates between the smaller scale of the individual and the large scale of the social machines' (20).
