The phrase "a substantially older" is correct and usable in written English.
It can be used to describe someone or something that is significantly older in comparison to another person or thing.
Example: "He is a substantially older candidate for the position, bringing years of experience to the table."
Alternatives: "considerably older" or "significantly older".
For the single-population models explored, we included simulations under the A model parameterization but with substantially older demographic events (T = 1.5; events occurring 3 N A generations ago, where N A is the ancestral effective population size).
In 1906, Martha Hasel met the substantially older Albert Wise at a box social; the two were married, though Wise neglected to give her a wedding ring.
Also, the participants, at an average age of 63, were substantially older than women who take estrogen for symptom relief during perimenopause or early postmenopause.
EH Shepard's illustrations, as much a part of Pooh as the text, have been lovingly animated and are a delight to look at, even for those substantially older than the target age group.
Few would mistake press association members for Jessica Simpson, largely because a fair number of the corps are, to say the least, substantially older than the stars they cover.
"Gene coalescent times can be substantially older than species divergence times", explained Dr dos Reis.
Both were substantially older than the Fitzwilliam foetus, at 25 and 37 weeks into gestation.
The Lantian remains are believed to be about 1.1 million years old, almost as old as the earliest fossils of Java man and substantially older than Peking man.
They are also substantially older, and that contributes to higher pay -- 46percentt of federal employees are 50 or older, compared with 31percentt of private-sector workers.
However, radiometric dates obtained for volcanic minerals at Sangiran indicate that some Javan fossils may be substantially older, perhaps approaching 1,500,000 years in age.
