The phrase "and anchored by a" is correct and usable in written English.
It can be used to describe something that is supported or stabilized by a particular element or factor.
Example: "The project was successful and anchored by a strong team of dedicated professionals."
Alternatives: "and supported by a" or "and grounded in a".
It has been meticulously engineered and anchored by a network of steel cables.
Set in the king's bedchambers in Versailles and anchored by a poignant performance from Jean-Pierre Léaud, the movie focuses on the king's slow, excruciating death from gangrene.
Bristling with sonic ideas and anchored by a massive chorus, it's a confident return for Flowers compared to that slightly apologetic 2010 debut.
This part of the city, called Nima, was a jumble of narrow alleyways hemmed in by a few major thoroughfares and anchored by a teeming marketplace.
The crowd of 7,312 -- not a sellout but not off projections -- was enthusiastic and anchored by a target audience of girls in bright soccer jerseys.
She describes it as "at once corporate and semi-baroque" and "anchored" by a white PVC tailored suit jacket that is "seedy and flaccid".
The memorial — a four-acre tract along the Tidal Basin that is dotted with elms and cherry trees and anchored by an imposing granite statue of Dr. King — is the product of more than two decades of work.
Everton's latest incoherent display, bereft of attacking nous and anchored by an underlying fragility, extended a winless run in the league to six matches and left their manager conceding they are being sucked back into the fight for survival that they were supposed to have left behind.
The use of hand lettering has been abandoned in favour of words and figures printed by type or by a photographic process onto transparent material that is "floated" onto the compilation and anchored by an adhesive wax backing in the proper place.
The secret back garden, fringed with bamboo and anchored by an immense sprawling ficus tree, is both private and sociable.
The other was a luminously transparent performance of Schoenberg's "Verklarte Nacht," brilliantly led by Hilary Hahn, the young violinist, and anchored by Siegfried Palm, a veteran cellist.
