The phrase "although there is ample" is correct and usable in written English.
It can be used to introduce a contrast or exception in a statement, often followed by a clause that presents a differing viewpoint or situation.
Example: "Although there is ample evidence supporting the theory, some researchers remain skeptical."
Alternatives: "even though there is plenty" or "despite the abundance of".
Although there is ample precedent for the deliberative "I" in literature, it has tended to be the province of nonfiction.
There is precious little storage space within easy reach, although there is ample storage overhead (business class allows two carry-ons).
Although there is ample evidence at the RNA and protein level that chemokine receptors are expressed on astrocytes, the functional significance of these astrocyte receptors remains an item of conjecture.
Objectives: Although there is ample literature describing various aspects of functional endoscopic sinus surgery (FESS) in relationship to its success rates, very little has been reported regarding possibilities in case of recurrent failure.
However, although there is ample literature on the molecular biology and biochemistry of products, the implementation of processes from test tube to commercial scale has not received similar attention.
Mr. Madoff's wife, Ruth, has reportedly struck a deal with the government in which she is to keep $2.5 million, although there is ample reason to believe that this amount is the fruit of her husband's fraudulent conduct.
Although there was ample standing room by the stage during Mr. Kuti's set, only one fan was uninhibited enough to dance.
She does not bore the reader with lists of names, dates, or figures, although there's ample supporting evidence in her endnotes.
Fordham Wigs at 271 North Avenue in New Rochelle (914-576-1636) also caters primarily to customers suffering from hair loss, although there are ample displays of variously styled wigs and window displays to attract the impulse shopper.
Although there was ample evidence that Mr. Slavin committed the attacks, the dissenting judges wrote, there was little besides the tattoos to prove that the crimes had been motivated by prejudice, and they recommended that Mr. Slavin's conviction for aggravated harassment in the second degree be reversed.
Although there are ample indications that Mars had surface water billions of years ago — in some cases, evidence suggests that water may have flowed in some gullies and channels within the last few millions of years or later — conditions today, including an atmosphere 1percentt as dense as Earth's, do not allow for liquid water, scientists said.
