"from which emanated" is a grammatically correct and usable phrase in written English.
It is typically used to introduce the source or origin of something. Example: The idea for the new project originated from extensive market research, from which emanated a clear demand for eco-friendly products.
After trudging for a half-hour up the punishing cliffside path, we stopped before a cave from which emanated a musty smell.
To his left was a laptop, from which emanated the foundation of his performance, though he paid little attention to it.
As my eyes adjusted to the extreme dimness, I saw there were various speaker stacks around the room from which emanated a variety of slightly industrial groans and buzzes.
Attached to each was a smaller cube with a latticed opening, from which emanated unintelligible noises.
He once reconstructed a Harlem tenement front stoop with trash cans from which emanated taped screams and shouts of a family killing a rat.
They also formed parallel lines along the sarcolemma, from which emanated rows of evenly-spaced puncta visible in the next confocal slice or two closer to the membrane (slices were 0.4 μm apart).
Over decades the diversion of water from its river and lake to the Los Angeles Aqueduct has left an exposed dry salt flat from which emanates a continuous cloud of toxic particles.
In some of his writings, Siger teaches that God as the first being creates only one being immediately, the first immaterial substance, from which emanate the other intelligences, the celestial spheres and finally the sublunar world, in an eternal and necessary process.
It depicts an infant Maria Skłodowska holding a test tube from which emanate the elements that she would discover as an adult: polonium and radium.
In Drosophila centrioles, EM images reveal a clear central cartwheel hub from which emanating spokes are often visible but it is difficult to visualise more than a few spoke structures at any one time (e.g., Callaini et al., 1997; Roque et al., 2012; Helio Roque, personal communication), making it unclear whether Drosophila Sas-6 oligomerises into a canonical ring or into a spiral.
Camps have been established, from which emanate horrific stories of rape, torture, extortion, misery and desperation.
